index 

SLIDE RULE CATALOGUE “ L I T E

Sub-List :  “Keuffel & Esser”

NAME MATCH
NR.
DESCRIPTION
Keuffel & Esser < 4053 - 3F > dated 1913 4122 Generic slide rule of engine divided celluloid laminated mahogany
Keuffel & Esser < 4031 > Mannheim Adjustable 4050 Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < 4031 > Mannheim Adjustable dated 1903, 1906, 1909 and 1913 4049 Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < 4031 > Mannheim Adjustable, dated 1900 and 1901 4048 Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < 4031 > Mannheim Adjustable, dated 1914 4519 Generic slide rule of engine divided celluloid laminated mahogany
Keuffel & Esser < 4031 > Mannheim Adjustable, dated 1915 (other example) 4743 Generic slide rule
Keuffel & Esser < 4031 > Mannheim Adjustable, dated 1915 (other example) 4744 Generic slide rule
Keuffel & Esser < 4031 > Mannheim Adjustable, dated 1925 (other example) 4746 Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < 4031 > S Mannheim Adjustable, dated 1922 4051 Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < 4031 > S Mannheim Adjustable, dated 1922 (other example) 4745 Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < 4031 > S Mannheim Adjustable, dated 1925 4052 Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < 4031 > S Mannheim Adjustable, dated 1925 (other example) 4747 Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < 4035 > Mannheim Adjustable dated 1906 4054 Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < 4035 > Mannheim Adjustable dated 1915 4056 Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < 4035 > Mannheim Adjustable, dated 1914 4520 Generic slide rule of engine divided celluloid laminated mahogany
Keuffel & Esser < 4041 > Mannheim, dated 1908 4678 Generic slide rule of engine divided celluloid laminated mahogany
Keuffel & Esser < 4041 > Mannheim, dated 1909 4656 Generic slide rule of engine divided celluloid laminated mahogany
Keuffel & Esser < 4041 > Mannheim, dated 1921 4518 Generic slide rule of engine divided celluloid laminated mahogany
Keuffel & Esser < 4041 > Mannheim, dated 1921 and 1922 4654 Generic slide rule of engine divided celluloid laminated mahogany
Keuffel & Esser < 4041 F > Mannheim, dated 1915 4067 Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < 4045 > Mannheim Adjustable 4082 Generic slide rule of Engine divided celluloid laminated mahogany, 420x36x13 mm (1915, 1921, 1922, 1925, 1927, 1930)
Front Scales: 16inch / A = B C = D ] 42cm
Back Scales: = S L T =
Keuffel & Esser < 4053 - 2 > Polyphase Mannheim Adjustable, dated 1915 and 1921 4102 Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < 4053 - 2 > Polyphase Mannheim Adjustable, dated 1914 4525 Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < 4053 - 2 > Polyphase Mannheim Adjustable, dated 1915 (other example) 4751 Generic slide rule of engine divided celluloid laminated mahogany
Keuffel & Esser < 4053 - 2 > Polyphase Mannheim Adjustable, dated 1915 (other example) 4752 Generic slide rule of engine divided celluloid laminated mahogany
Keuffel & Esser < 4053 - 3 > Polyphase Mannheim Adjustable 4106 Generic slide rule of Engine divided celluloid laminated mahogany, 270x34.5x10 mm (1913)
Front Scales: 10inch / A = B CI C = D ] K
Back Scales: = S L T =
Keuffel & Esser < 4053 - 3 > Polyphase Mannheim Adjustable 4107 Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < 4053 - 3 > Polyphase Mannheim Adjustable 4498 Generic slide rule of engine divided celluloid laminated mahogany
Keuffel & Esser < 4053 - 3F > Poly Keuffel & Esser 4053- 2S Mannheim Adjustable dated 1913 (other example) Magnifier 4757 Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < 4053 - 3F > Poly Mannheim Adjustable dated 1913 (other example). Magnifier 4756 Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < 4053 - 3F > Polyphase Mannheim (other example) Adjustable Magnifier 4755 Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < 4053 - 5 > Polyphase Mannheim Adjustable Dated 1914 4527 Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < 4053 > Polyphase Slide Rule, Mannheim Adjustable 4094 Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < 4054 > Favorite (Mannheim) adjustable 4144 Generic slide rule of Engine divided celluloid laminated mahogany, 270x2910.5 mm (1906, 1909, 1913, 1915, 1921, 1922, 1925)
Front Scales: A = B C = D, Back Scales: = S L T =
Keuffel & Esser < 4054 > Polyphase (Mannheim) 4145 Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < 4055 > Favorite Adjustable (Mannheim) 4147 Generic slide rule of Engine divided celluloid laminated mahogany, 271x285x105 mm (1936, 1937, 1939, 1943)
Front Scales: A = B C = D, Back Scales: = S L T =
Keuffel & Esser < 4070 - 3 > Polyphase Duplex Trig 4562 Generic slide rule of engine divided celluloid laminated mahogany
Keuffel & Esser < 4071 - 3 > Polyphase Duplex Decitrig 4190 Generic slide rule of Engine divided celluloid laminated mahogany, 310x33x6 mm (1939, 1943, 1944, 1947, 1949, 1954, 1955)
Front Scales: K A = B T ST S = D DI
Back Scales: DF = CF CIF CI C = D L
Keuffel & Esser < 4071 > Duplex 4189 Generic slide rule of Engine divided celluloid laminated mahogany, 308x27x6.7 mm (1915)
Front Scales: A = B C = D, Back Scales: A = BI CI = D
Keuffel & Esser < 4071 T > Duplex, with Trig Scale, L scale on back, not on edge, dated 1915 4547 Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < 4071 T > Duplex, with Trig Scales, dated 1909 4196 Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < 4080 - 3 > Log Log Duplex Trig 4208 Generic slide rule of Engine divided celluloid laminated mahogany, 318x40.5x6.5 mm (1939, 1943, 1944, 1947)
Front Scales: LL0 LL00 A = B T ST S = D DI K
Back Scales: L LL1 DF = CF CIF CI C = D LL3 LL2
Keuffel & Esser < 4080 - 3 > Log Log Duplex Trig 4618 Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < 4080 - 3 > Log Log Duplex Trig. Replaced 4090-3 4206 Generic slide rule of Engine divided celluloid laminated mahogany, 318x40.5x6.5 mm (1937)
Front Scales: LL00 LL0 A = B T ST S = D DI K
Back Scales: L LL1 DF = CF CIF CI C = D LL3 LL2
Keuffel & Esser < 4080 - 3 > S Log Log Duplex Trig 4209 Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < 4080 - 5 > Log Log Duplex Trig 4216 Generic slide rule, 565x40.6x8 mm (1939, 1943, 1944, 1947)
Front Scales: LL0 LL00 A = B T ST S = D DI K
Back Scales: L LL1 DF = CF CIF CI C = D LL3 LL2
Keuffel & Esser < 4080 - 5 > S Log Log Duplex Trig 4217 Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < 4081 - 3 > Log Log Duplex Decitrig 4237 Generic slide rule of Engine divided celluloid laminated mahogany, 318x41x6.5 mm (1939, 1943, 1944, 1947)
Front Scales: LL0 LL00 A = B T ST S = D DI K
Back Scales: L LL1 DF = CF CIF CI C = D LL3 LL2
Keuffel & Esser < 4081 - 5 > Log Log Duplex Decitrig, 4253 Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < 4081 - 5 > S Log Log Duplex Decitrig 4254 Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < 4082 - 3 > 4262 Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < 4087 > Duplex 4288 Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < 4088 - 3 > Polyphase Duplex 4301 Generic slide rule of Engine divided celluloid laminated mahogany, 308x30.4x6.6 mm (1915, 1921)
Front Scales: K A = S T CI = D L
Back Scales: DF = CF CIF C = D
Keuffel & Esser < 4088 - 3 > Polyphase Duplex, dated 1913 4300 Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < 4091 - 3 > Log Log Decitrig. Replaced by 408 - 3 4320 Generic slide rule of Engine divided celluloid laminated mahogany, 308x30.4x6.6 mm (1936, 1937P-d)
Front Scales: LL0 A = B K CI = T S2 S1
Back Scales: L LL1 DF = CF CIF C = D LL3 LL2
Keuffel & Esser < 4092 - 3 > Log Log Duplex 4326 Generic slide rule of Engine divided celluloid laminated mahogany, 318x41x65 mm (1922)
Front Scales: LL0 A = B S T C = LL3 LL2 LL1
Back Scales: K DF = CF CIF CI C = D L
Keuffel & Esser < 4097 C > 4762 Generic slide rule
Keuffel & Esser < 4097 C > Ever - There, (Old 4098) 5049 Generic slide rule of Engine Divided White Xylonite, 153x33x3.5 mm (1936, 1937, 1939, 1943, 1944, 1947, 1949)
Front Scales: A = B CI C = D K
Back Scales: 5inch = S L T = 13cm
Keuffel & Esser < 4097 C > Ever - There, 1936 (Old 4098) 4373 Generic slide rule of Engine Divided White Xylonite, 153x33x3.5 mm (1936, 1937, 1939, 1942, 1943, 1944, 1947, 1949, 1952)
Front Scales: A = B CI C = D K, Back Scales: = S L T =
Keuffel & Esser < 4100 > 4684 Generic slide rule
Keuffel & Esser < 4100 > S Stadia 4385 Generic slide rule of Engine divided celluloid laminated mahogany, 260x25x10 mm (1922)
Front Scales: R = H HC V = A, Back Scales: = C B = Second line, ' "Rc" the corrected rod reading = 100 X rod reading + (f + c), '
Keuffel & Esser < 4101 > Stadia 4394 Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < 4110 > Special Rule made for Annapolis 4408 Generic slide rule of Engine divided celluloid laminated mahogany, [from Clark mccoy - built on the N4096 desktop rule frame, using the N4096 improved indicator], 260x25x10 mm (1942 - JOS, Mar. 1993)
Front Scales: P F A = B T S CI C = D, Back Scales:
Keuffel & Esser < 4138 > Morrison Radio Engineer's Slide Rule 4427 Log/tech slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < 4139 > Cooke Radio Slide Rule 4429 Generic slide rule of Engine divided celluloid laminated mahogany, 310x33x6.5 mm (1943, 1944, 1947, 1949, 1954, 1955)
Front Scales: LC A = B T ST S = D DI
Back Scales: L DF = CF CIF CI C = D 2_
Keuffel & Esser < 4165 > of Match no. 4460 4730 Generic slide rule
Keuffel & Esser < 4175 > Kurtz Psychrometric 4465 Technical slide rule of wood/celluloid, 300x40x10 mm (1936, 1937, 1939)
Front Scales: 1 2 = 3 4 5 = 6 7 8 9 10 11
Keuffel & Esser < 9071 - 3 > Doric 4192 Generic slide rule of Engine Divided White Xylonite
Keuffel & Esser < N 4041 > dated 1925 (other example) 4749 Generic slide rule of engine divided celluloid laminated mahogany
Keuffel & Esser < N 4041 > Mannheim Adjustable, dated 1936 thru 1943 4078 Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < N 4053 - 3 > 4581 Generic slide rule of wood/celluloid
Keuffel & Esser < N 4053 - 3 > 4727 Generic slide rule
Keuffel & Esser < N 4053 - 3 > Polyphase Mannheim Adjustable 4110 Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < N 4053 - 3 > Polyphase Mannheim Adjustable 4113 Generic slide rule of Engine divided celluloid laminated mahogany, 270x35x10 mm (1936, 1937, 1939, 1943, 1944, 1947, 1949)
Front Scales: 10inch / A = B CI C = D K ] 25cm
Back Scales: = S L T =
Keuffel & Esser < N 4053 - 3 > S Polyphase Mannheim Adjustable 4580 Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < N 4053 - 3F > S Polyphase Mannheim Adjustable 4127 Generic disc of Engine divided celluloid laminated mahogany
Keuffel & Esser < N 4053- 2 > Mannheim Adjustable, dated 1924 (other example) 4754 Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser < N 4096 > Desk Slide Rule, (same as other N 4096, but without stand, knob, or special case) 4366 Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser <4071 - 3> Polyphase Duplex Decitrig 0113 Generic slide rule of engine divided celluloid laminated mahogany
Keuffel & Esser <4071 - 3> Polyphase Duplex Decitrig 4568 Slide rule of engine divided celluloid laminated mahogany, with exposed mahogany strips on edge
Keuffel & Esser <4071 T> Duplex with Trig scales, L scale on back, not on edge, dated 1913 4499 Generic slide rule of engine divided celluloid laminated mahogany
Keuffel & Esser <4090 - 3> S Log Log Trig. Replaced by 4080 - 3S 4317 Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser 10002 Doric with trigonometrical scales divided to represent degrees and minutes 4002 Slide rule of plastic
Keuffel & Esser 1742 - 4 Crane's Sewer Slide Rule 4765 Log/tech slide rule
Keuffel & Esser 1743 Charpentier Calculator, dated 1895 4013 Disc of metal
Keuffel & Esser 1744 1/2 Duplex, dated 1899 4022 Generic slide rule of engine divided celluloid laminated mahogany
Keuffel & Esser 1744 Duplex with arithmetical slide, dated 1895, Cox's Patent 4020 Generic slide rule of engine divided celluloid laminated wood
Keuffel & Esser 1749 - 4 Crane's Sewer Slide Rule 4410 Slide rule
Keuffel & Esser 1749 Stadia 4379 Slide rule of engine divided celluloid laminated mahogany
Keuffel & Esser 4012 Thacher cylinder 4005 Generic cylinder
Keuffel & Esser 4012 Thacher cylinder (other example, dated 1910) 4740 Generic cylinder
Keuffel & Esser 4017 Sperry, watch style Pat Oct. 25 1904 4040 Generic watch type of metal/glass
Keuffel & Esser 4017 Sperry's Calculator Pat. Dec. 26. 1911 4041 Generic watch type of metal/glass
Keuffel & Esser 4020 Charpentier Calculator, dated 1906 4014 Disc of metal
Keuffel & Esser 4040 Mannheim dated 1901 4060 Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser 4041 (No number on rule) dated pre 1909 4731 Generic slide rule of engine divided celluloid laminated mahogany
Keuffel & Esser 4041 dated 1906 5808 Generic slide rule
Keuffel & Esser 4041 dated 1906 (other example) 4763 Generic slide rule
Keuffel & Esser 4041 dated 1906 (other example) 4772 Generic slide rule
Keuffel & Esser 4041 dated 1922 5807 Generic slide rule
Keuffel & Esser 4041 F Mannheim, dated 1906 4062 Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser 4041 Mannheim, dated 1903 4655 Generic slide rule of engine divided celluloid laminated mahogany
Keuffel & Esser 4041 Mannheim, dated 1906 4748 Generic slide rule of engine divided celluloid laminated mahogany
Keuffel & Esser 4041 Mannheim, dated 1906 (other example) 4061 Generic slide rule of Engine divided celluloid laminated mahogany, 270x31x10 mm (1906)
Front Scales: 10inch / A = B C = D ] 27cm #28-52cm#
Back Scales: = S L T =
Keuffel & Esser 4041 Mannheim, dated 1909 4680 Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser 4041 Mannheim, dated 1915 4066 Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser 4041 Mannheim, dated 1922 4677 Generic slide rule of engine divided celluloid laminated mahogany
Keuffel & Esser 4053 - 3 Polyphase Mannheim Adjustable 4582 Generic slide rule of Engine divided celluloid laminated mahogany, with molded plastic back, 278x35x8 mm (1956)
Front Scales: 10inch / A = B CI C = D K \ 25cm
Back Scales: = S L T =
Keuffel & Esser 4053 - 3S Polyphase Mannheim Adjustable 4583 Generic slide rule of Engine divided celluloid laminated mahogany, with molded plastic back
Keuffel & Esser 4053 - 3S Polyphase Mannheim Adjustable, 4118 Generic slide rule of Engine divided celluloid laminated mahogany, with molded plastic back
Keuffel & Esser 4058 4729 Generic slide rule
Keuffel & Esser 4058 Student's Slide Rule, printed on light-colored wood, with steel spring 4153 Generic slide ruleslide rule of Light colored wood, 270x29x9 mm (1915, 1921, 1922)
Front Scales: A = B C = D, Back Scales: = S L T =
Keuffel & Esser 4058 W Beginners' Slide Rule 4161 Student slide rule of Light colored wood, 270x28.5x9 mm (1942,1943)
Front Scales: A = B C = D, Back Scales: = S L T =
Keuffel & Esser 4060 Cox's Patent 5804 Generic slide rule
Keuffel & Esser 4060 Cox's Patent 5806 Generic slide rule
Keuffel & Esser 4065 T Duplex Trig 4174 Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser 4070 4182 Generic slide rule
Keuffel & Esser 4070 Duplex 4183 Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser 4070 Duplex 4183 Generic slide rule
Keuffel & Esser 4076 Duplex, Interchangeable Slides 4200 Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser 4081 - 3 Log Log Duplex Decitrig 4243 Generic slide rule of Engine divided celluloid laminated mahogany, 318x41x6.5 mm (1953, 1954, 1955)
Front Scales: LL01 L K A = B T ST S = D DI LL1
Back Scales: LL02 LL03 DF = CF CIF CI C = D LL3 LL2
Keuffel & Esser 4081 - 3S Log Log Duplex Decitrig 4244 Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser 4081 - 3S Log Log Duplex Decitrig 4606 Generic slide rule of Engine divided celluloid laminated mahogany, with exposed mahogany edges
Keuffel & Esser 4083 - 3 Log Log Duplex Vector 4502 Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser 4083 - 3 Log Log Duplex Vector (Also no. 68 - 1434) 4570 Generic slide rule of Engine divided celluloid laminated mahogany, with exposed mahogany edges
Keuffel & Esser 4087 Duplex 4289 Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser 4090 Original prototype for 4090 Universal rule 4622 Generic slide rule of engine divided celluloid laminated mahogany
Keuffel & Esser 4090 Original prototype for 4090 Universal rule, dated 1899 4621 Generic slide rule of engine divided hard wood
Keuffel & Esser 4090 Universal, 2 attached slides, dated 1901, 1903 4313 Generic slide rule of engine divided celluloid laminated mahogany
Keuffel & Esser 4095 - 3 Merchants' Adjustable Duplex 4355 Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser 4095 Triangular Metal 4346 Generic slide rule of metal
Keuffel & Esser 4098 A Pocket Slide Rule 4378 Generic slide rule of Engine Divided White Xylonite, 153x33x3.5 mm (1936, 1937, 1939, 1943, 1944, 1947, 1949)
Front Scales: A = B C = D
Back Scales: 5inch = S L T = 13cm
Keuffel & Esser 4100 Stadia 4384 Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser 4108 Military Slide Rule 4095 Military slide rule of Engine divided celluloid laminated mahogany, 285x40.9x10.3 mm (1960)
Front Scales: Deg. Mils = Mils Apex Angle CI Base C = Range D A, Back Scales: = Tan Sin - Tan Sin C =
Keuffel & Esser 4128 Nordell Sewer Slide Rule, Duplex Type 4415 Log/tech slide rule
Keuffel & Esser 4141 Hudson's Horsepower Computing Scale 4434 Technical slide rule of boxwood
Keuffel & Esser 4143 Kissam Stadia (Also no. 68 1486) 4440 Log/tech slide rule
Keuffel & Esser 4150 - 1 Pocket Slide Rule 4349 Generic slide rule of Ivorite Precison Molded ABS
Keuffel & Esser 4165 Urea Index Rule 4460 Medical slide rule
Keuffel & Esser 4168 Doric Pocket Slide Rule 4478 Generic slide rule of Ivorite Precison Molded ABS, 170x28.5x3.5 mm (1954, 1955)
Front Scales: K A = B ST S = D T
Back Scales: DF = CF CI C = D L
Keuffel & Esser 4181 - 1 Pocket Slide Rule (B1. and A2.) 4229 Generic slide rule of Ivorite Precison Molded ABS, 177x38x4 mm (1954, 1955)
Front Scales: LL01 L K A = B T ST S = D DI LL1
Back Scales: LL02 LL03 DF = CF CIF CI C = D LL3 LL2
Keuffel & Esser 4181 - 3 Log Log Duplex Decitrig 4245 Generic slide rule of Ivorite Precison Molded ABS, 317x41x4.5 mm (1954, 1955)
Front Scales: LL01 L K A = B T SRT S = D DI LL1
Back Scales: LL02 LL03 DF = CF CIF CI C = D LL3 LL2
Keuffel & Esser 4yyy 5094 Generic slide rule, 1023x38 mm
Front Scales: 50cm / A = B C = D #51-101cm#
Back Scales: = S T scale 0-1000 =
Keuffel & Esser 68 - 1100 Deci-Lon 10 Instruction model 4468 Generic slide rule of Ivorite Precison Molded ABS, 323x49x4.5 mm (1962, 1967)
Front Scales: Ln-3 Ln-2 Ln-1 Ln-0 A = B T SRT S C = D DI K
Back Scales: Sq1 Sq2 DF = CF CIF L CI C = D Ln0 Ln1 Ln2 Ln3
Keuffel & Esser 68 - 1130 Deci-Lon 5 4469 Generic slide rule of Ivorite Precison Molded ABS, 182x49.5x3.8 mm (1962, 1964, 1967, 1972)
Front Scales: Ln-3 Ln-2 Ln-1 Ln-0 A = B T SRT S C = D DI K
Back Scales: Sq1 Sq2 DF = CF CIF L CI C = D Ln0 Ln1 Ln2 Ln3
Keuffel & Esser 68 - 1210 Decitrig, with sewed leather, chamois lined case, with belt carrier 4248 Generic slide rule of Engine divided celluloid laminated mahogany, 318x415x7 mm (1962, 1967, 1972)
Front Scales: LL01 L K A = B T SRT S = D DI LL1
Back Scales: LL02 LL03 DF = CF CIF CI C = D LL3 LL2
Keuffel & Esser 68 - 1251 Jet-Log (A. and B.) 4251 Generic slide rule of Ivorite Precison Molded ABS
Keuffel & Esser 68 - 1256 Jet-Log (A. and B.) 4252 Generic slide rule of Ivorite Precison Molded ABS
Keuffel & Esser 68 - 1318 Log Log Duplex Trig 4214 Generic slide rule of Engine divided celluloid laminated mahogany, 319x415x7 mm (1962, 1967)
Front Scales: LL01 L K A = B T SRT S = D DI LL1
Back Scales: LL02 LL03 DF = CF CIF CI C = D LL3 LL2
Keuffel & Esser 68 - 1434 Log Log Duplex Vector 4273 Generic slide rule of Engine divided celluloid laminated mahogany, 313x41x7 mm (1962, 1967)
Front Scales: Sh1 Sh2 Th A = B T SRT S = D DI LL01 LL1, Back Scales: LL02 LL03 DF = CF CIF CI C = D LL3 LL2
Keuffel & Esser 68 - 1565 GP-12 4475 Generic slide rule of Ivorite Precison Molded ABS, 317x45.5x4.5 mm (pat. 1964, 1966, 1967, 1972)
Front Scales: Sq1 Sq2 DF = CF T SRT S CI C = D A K
Back Scales: D = 25cm 10inch = L
Keuffel & Esser 68 - 1617 Polyphase 4119 Generic slide rule of Engine divided celluloid laminated mahogany, 277x36x8 mm (1962, 1967)
Front Scales: 10inch / A = B CI C = D K \ 25cm
Back Scales: = S L T =
Keuffel & Esser 68 - 1775 Merchants' 4345 Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser 68 - 1892 K-12 Prep 4445 Generic slide rule of Vinylite laminations, Heat stamped, 311.5x41.5x3.2 mm (1966, 1972)
Front Scales: K A = B S CI T C = D L
Keuffel & Esser 68 1400 Analon (B..) 4474 Generic slide rule of Ivorite Precison Molded ABS, 317x45.5x4.5 mm (1967)
Front Scales: V2 V1/2 A = B U1/2 U-1 U C = D V V-1
Keuffel & Esser American 1 4630 Generic slide rule of wood/plastic
Keuffel & Esser American Mannheim 4584 Generic slide rule of engine divided celluloid laminated blond hardwood, with printed inch and cm rules.
Keuffel & Esser Brick-O-Meter 5660 Log/tech slide rule
Keuffel & Esser Construction 3960 Log/tech slide rule
Keuffel & Esser Deci - Lon Instruction Rule 3842 Slide rule
Keuffel & Esser Military (Picture page 2, case) 4750 Slide rule
Keuffel & Esser Mystery rule 5812 Generic slide rule
Keuffel & Esser N < 4041 > dated 1909 (needs checking) 5809 Generic slide rule
Keuffel & Esser N < 4041 > Mannheim Adjustable 4070 Generic slide rule of Engine divided celluloid laminated mahogany, 270x34.5x4.5 mm (1925, 1927, 1930)
Front Scales: 10inch / A = B C = D ] 25cm
Back Scales: = S L T =
Keuffel & Esser N < 4041 > Mannheim, dated 1924 4055 Slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser N < 4053 - 2 > S Polyphase Mannheim Adjustable, dated 1925 4104 Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser N < 4053 - 3F > Mannheim Adjustable dated 1923 4704 Generic slide rule of engine divided celluloid laminated mahogany
Keuffel & Esser N < 4053 - 3F > Polyphase Mannheim Adjustable, dated 1925, 1927, 1928, 1930 4126 Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser N < 4053 - 5 > Polyphase Mannheim Adjustable Dated 1923 4686 Generic slide rule of engine divided celluloid laminated mahogany
Keuffel & Esser N < 4053 - 5 > Polyphase Mannheim Adjustable Dated 1923 4696 Generic slide rule
Keuffel & Esser N < 4053- 2 > Mannheim Adjustable, dated 1924 4103 Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser N < 4053- 2 > Mannheim Adjustable, dated 1924 (other example) 4753 Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser N < 4100 > Stadia 4386 Slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser N < 4102 > Surveyor's Duplex 4403 Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser N < 4123 > Roylance 3640 Generic slide rule of engine divided celluloid laminated mahogany
Keuffel & Esser N < 4133 > S Roylance Electrical, CI scale added 4517 Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser N 4012 Thacher's Calculating Instrument 4006 Generic cylinder of wood/plastic
Keuffel & Esser N 4053 - 3 4726 Generic slide rule
Keuffel & Esser N 4053 - 5 Polyphase Mannheim Adjustable, with molded plastic back 4138 Generic slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser N 4081 - 3 Log Log Decitrig Duplex 4239 Generic slide rule of Engine divided celluloid laminated mahogany, 317x41x6 mm (1949)
Front Scales: LL01 K A = B T ST S = D L LL1
Back Scales: LL02 LL03 DF = CF CIF CI C = D LL3 LL2
Keuffel & Esser N 4092 - 3 Log Log Duplex 4328 Slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser N 9081 - 3 Doric Plastic Slide Rule, decitrig scales, all black markings. replaced by N4181-3, 1952 4241 Generic slide rule of Engine Divided White Xylonite, 317.5x41x4.6 mm (1949,1952)
Front Scales: LL01 K A = B T ST S = D L LL1
Back Scales: LL02 LL03 DF = CF CIF CI C = D LL3 LL2
Keuffel & Esser National Union Radio Tubes 4628 Electrical slide rule
Keuffel & Esser NoNumber 4578 Generic slide rule
Keuffel & Esser Percent of accuracy of estimate 4638 Log/tech slide rule
Keuffel & Esser Polyphase Mannheim Adjustable, no model number shown, marked only "K+E" 4548 Generic slide rule of Engine divided celluloid laminated mahogany, slide is 1/4 inch overlength on the right
Keuffel & Esser Reymond Leather Calculator 4637 Log/tech slide rule
Keuffel & Esser Syrup Rule 4635 Technical slide rule of plastic
Keuffel & Esser U.S. Militairy Short Base Triangulation Model 4096 Military slide rule of Engine divided celluloid laminated mahogany
Keuffel & Esser Unknown 4041 Mannheim, dated 1902 4659 Generic slide rule of engine divided celluloid laminated mahogany
Keuffel & Esser Unknown 4041 Mannheim, dated 1902 4660 Generic slide rule of engine divided celluloid laminated mahogany
Keuffel & Esser Unknown number Made by Tavernier Gravet, dated 1883 4728 Generic slide rule of polished boxwood