| NAME | MATCH NR. |
DESCRIPTION |
| Napier set of blocks | 3448 | Generic blocks of all wood |
| National Foundation Depth Calculator | 5285 | Log/tech slide chart of plastic, 217x108x1.6 mm (1992) Front Scales: See Picture, Back Scales: See Picture |
| Natrilix Cardiovascular Risc Calculator | 1447 | Medical disc of plastic |
| Nautical Scale of Power and Speed | 2333 | Nautical slide rule of all wood, 360x94x11 mm Front Scales: 1) = 2) 3) = 4), Back Scales: 5) = 6) = 7) |
| Nautical Tek. no. 3460 116 | 2676 | Nautical slide rule of perspex/aluminium, 322x54x16 mm |
| Navigational Computer MK. III H REF. no. 6B / 250 | 1741 | Aviation disc of metal/bakelite, 135x155x26 mm |
| Navy Department Drift Angle Computer Device 1-CH-1 | 3529 | Aviation disc of plastic, 110x2 mm |
| NBC voorspellingsset NSN 6665 13 108 7501 and 6665 13 108 7097 | 2859 | By Memento NBC, log/tech disc of plastic, 102x2.5 mm (1973) |
| Nederlandse Benzolmaatschappij | 5306 | By NBM, technical slide chart of cardboard, 155x176x1.2 mm Front Scales: See Picture, Back Scales: See Picture |
| Neolt 25 R Bergamo Italy Rietz | 3850 | Generic slide rule of wood/plastic, 292x39.5x12 mm Front Scales: 27cm / K A = B CI C = D L ] 1:25 Back Scales: = S S&T T = |
| Neolt TS 10 | 3887 | Generic slide rule of plastic, 120.5x25x2.5 mm Front Scales: 10cm / A = B C = D |
| Nestler | 1748 | Generic slide rule of plastic, 148x30.8x3.5 mm Front Scales: 13cm / K A = B CI C = D cosø Back Scales: = S ST T = |
| Nestler | 2812 | Generic slide rule of wood/celluloid, 275x31x9 mm Front Scales: 10inch / A = B C = D ] 27cm #28-53cm# Back Scales: = S L T = |
| Nestler 0114 | 1892 | Generic slide rule of plastic, 148x31x3.5 mm Front Scales: 5inch / A = B C = D |
| Nestler 0115 | 1893 | Generic slide rule of Anagit, 149x31.5x3.6 mm Front Scales: 13cm / A = B C = D Back Scales: = S ST T = |
| Nestler 0121 Darmstadt | 1896 | Generic slide rule of Anagit, 153x37.5x4.4 mm Front Scales: 13cm / P K A = B CI C = D S T Back Scales: = LL1 LL2 LL3 = |
| Nestler 0123 Rietz | 1904 | Generic slide rule of Anagit, 149x30.5x3.5 mm Front Scales: 13cm / K A = B CI C = D L Back Scales: = S ST T = |
| Nestler 0127 International | 1915 | Generic slide rule of Anagit, 153x37.5x4.3 mm Front Scales: 13cm / Fraction of 1 inch 32nd mm A = B CI C = D Factors, Back Scales: = °F °C = |
| Nestler 0137 Elektro | 1922 | Electrical slide rule of Anagit, 154x37.5x4.5 mm Front Scales: 13cm / Dynamo Motor Volt A = B CI C = D cosø, Back Scales: = <sin lg <tg = |
| Nestler 0140 Kaufmann | 1924 | Generic slide chart of Anagit, 148x30x3 mm Front Scales: 13cm / DF = CF CI C = D |
| Nestler 0149 Stahlbeton - Maarschalk. Front side only | 5499 | Generic slide rule of Anagit |
| Nestler 0202 Multimath - Duplex Instruction rule for 0289 and 0292 | 5487 | Generic slide rule of wood |
| Nestler 0203 Alpha Instruction rule for 0251 | 5493 | Generic slide rule of wood |
| Nestler 0204 Polymath - Duplex Instruction rule for 0291 | 5488 | Generic slide rule of wood |
| Nestler 0205 Darmstadt Instruction rule for Darmstad models. Front side only | 5491 | Generic slide rule of wood |
| Nestler 0206 Rietz Instruction rule for Rietz models. Front side only | 5492 | Generic slide rule of wood |
| Nestler 0207 Kaufman Instruction rule for 0140, 0401 and 0409. Front side only | 5490 | Generic slide rule of wood |
| Nestler 0208 Delta Instruction rule for 0252, 0253 and 0254. Front side only | 5489 | Generic slide rule of wood |
| Nestler 0210 Darmstadt | 1928 | Generic slide rule of wood/plastic, 296x38x11.8 mm Front Scales: 27cm lg / K A = B CI C = D P ] S T Back Scales: = LL1 LL2 LL3 = |
| Nestler 0218 Darmstadt | 1935 | Generic slide rule of Anagit, 295x49x8 mm (1962) Front Scales: 27cm / L K A = B CI C = D P S T Back Scales: = LL1 LL2 LL3 = |
| Nestler 0235 Rietz | 1940 | Generic slide rule of wood/plastic, 578x43.5x13.9 mm Front Scales: 56cm / K A = B CI C = D L ] 21inch Back Scales: = S S&T T = |
| Nestler 0238 Rietz | 1942 | Generic slide rule of Anagit, 293x39x7.5 mm Front Scales: 27cm / K A = B CI C = D L Back Scales: = sin sin.tan tan = |
| Nestler 0239 Rietz | 1945 | Generic slide rule of Anagit, 295x38x6 mm Front Scales: 27cm / K A = B CI C = D L Back Scales: = S ST T = |
| Nestler 0249 Elemathic | 1954 | Generic slide rule of plastic, 300x40x4 mm Front Scales: K A = B R C = D L Back Scales: 27cm <sin <sin.tg <tg 10inch |
| Nestler 0250 Multimathic | 1955 | Generic slide rule of plastic, 299x40x4 mm Front Scales: K A = B R C = D L Back Scales: 27cm <sin <sin.tg <tg LL2 LL3 10inch |
| Nestler 0251 Alpha | 1956 | Generic slide rule of Anagit, 300x40x4 mm Front Scales: K A = B CI C = D L, Back Scales: S ST T |
| Nestler 0252 Beta | 1958 | Generic slide rule of plastic, 320x40x10 mm Front Scales: K A = B CI C = D L Back Scales: M DF = CF CIF CI C = D Z |
| Nestler 0253 Gamma | 1959 | Generic slide rule of Anagit, 320x39.7x4 mm Front Scales: K A = B CI C = D L Back Scales: T1 T2 DF = CF CIF CI C = D S ST |
| Nestler 0260 Mecanica | 1962 | Generic slide rule of wood/plastic, 295x38.8x11.8 mm Front Scales: 27cm 1) / 2)3) 4) = 5) 6) 7) C = D 8) / lg-tan sin, Back Scales: = 9) 10) 11) = |
| Nestler 0270 Präzision | 1963 | Generic slide rule of wood/plastic, 295x39x12 mm Front Scales: 27cm L1 L2 / D C1 = C2 CI1 CI2 D1 = D2 S1 ] K1 K2, Back Scales: = S1 S2 T1 T2 = |
| Nestler 0280 Geometer | 1964 | Generic slide rule of wood/plastic, 295x38.2x11 mm Front Scales: 27cm / L D = 1) ST C = D A ] K BI Back Scales: = S S&T T = |
| Nestler 0281 Geometer 400° | 5495 | Log/tech slide rule of wood/celluloid |
| Nestler 0289 Rietz Duplex | 1965 | Generic slide rule of Astralon, 360x48x4.5 mm Front Scales: L K A = B BI CI C = D R1 R2 Back Scales: T1 T2 DF = CF CIF CI C = D P S ST |
| Nestler 0290 | 1966 | Generic slide rule of plastic, 335x47.7x4 mm Front Scales: LL01 LL02 LL03 A = B L K C = D LL3 LL2 LL1 Back Scales: CT T ST DF = CF CIF CI C = D P S CS |
| Nestler 0291 Polymath Duplex | 1967 | Generic slide rule of Astralon, 355x48x4 mm Front Scales: LL01 LL02 LL03 A = B L K C = D LL3 LL2 LL1 Back Scales: CT T ST DF = CF CIF CI C = D P S CS |
| Nestler 0292 Multimath Duplex | 1968 | Generic slide rule of Astralon, 357x48x4.5 mm Front Scales: P S T1 T2 A = B K CI C = D R1 R2 L ST, Back Scales: LL00 LL01 LL02 LL03 DF = CF CIF CI C = D LL3 LL2 LL1 LL0 |
| Nestler 0297 Elektronik | 5494 | Electrical slide rule of Astralon |
| Nestler 0330 Chemiker | 1972 | Generic slide rule of Anagit, 294x38x8 mm Front Scales: 27cm / 1) = 2) CI C = D L Back Scales: = 3) CI C = |
| Nestler 0370 Electro | 1974 | Generic slide rule of wood/plastic, 296x38x11.5 mm Front Scales: 27cm / V A = B CI C = D U ] LL3 K Back Scales: = <sin <sin.tan <tan = |
| Nestler 0401 Mercur | 1978 | Generic slide rule of Anagit, 295x39x7.5 mm Front Scales: 27cm / % DF = CF CI C = D conversionfactors, Back Scales: = LL1 qn % C = |
| Nestler 0409 Schul - Merkur | 5497 | Generic slide rule of Anagit |
| Nestler 0432 | 1982 | Generic slide rule of wood/plastic, 295x38.2x11.8 mm Front Scales: 27cm 1) / 2) 3) A = 4)B 5)6) 7) C = D lg / 8) 9), Back Scales: = 4) B 5) 6) C = |
| Nestler 0438 Stahlbeton System Jakob | 1985 | Concrete slide rule of wood/plastic, 295x38x12 mm Front Scales: 27cm gh(kx) gh(kz) / K A = B R(Fe) C = D gh(m) ] gh(kf) 1), Back Scales: = <sin <sin,tan <tan = |
| Nestler 0440 van Maarschalkerwaart Stahlbeton | 1986 | Concrete slide rule of Astralon, 357x48x4.2 mm Front Scales: 1) K A = B CI C = D 2) L Back Scales: T1 T2 DF = CF CIF CI C = D P S ST |
| Nestler 10 | 2305 | Generic slide rule of wood/celluloid, 249x39x11.5 mm Front Scales: 28cm / A = B C = D ] 29.4cm Back Scales: = S L T = |
| Nestler 11 D | 1790 | Generic slide rule of plastic, 154x37x4.5 mm Front Scales: 13cm / P K A = B CI C = D T S Back Scales: = LL3 LL2 LL1 = |
| Nestler 11 M | 1793 | Generic slide rule of plastic, 152x31x3.5 mm Front Scales: 13cm / A = B C = D Back Scales: = S lg T = |
| Nestler 11 R | 3130 | Generic slide rule of plastic, 148x31x3.5 mm Front Scales: 13cm / K A = B CI C = D L Back Scales: = S S&T T = |
| Nestler 11 ZE | 1796 | Electrical slide rule of plastic, 148x30.2x3.3 mm Front Scales: 13cm / cosj A = B CI C = D cosj #DYN MOT Volt#, Back Scales: = S L T = |
| Nestler 11 ZM | 1798 | Generic slide rule of plastic, 148x30.5x3.4 mm Front Scales: 13cm / A = B C = D Back Scales: = S L T = |
| Nestler 11 ZO | 1799 | Generic slide rule of plastic, 148x30.5x3.3 mm Front Scales: 13cm / A = B C = D |
| Nestler 11 ZR | 1801 | Generic slide rule of plastic, 149x30.5x3.3 mm Front Scales: 13cm / K A = B CI C = D L Back Scales: = S S&T T = |
| Nestler 12 b | 3679 | Generic slide rule of wood/plastic, 145x26.5x8.5 mm Front Scales: 12cm / A = B C = D ] 14cm Back Scales: = S L T = |
| Nestler 14 | 1806 | Generic slide rule of wood/plastic, 275x37x10 mm Front Scales: 25cm / A = B C = D ] 27.5cm #30-55cm# Back Scales: = S L T = |
| Nestler 1413 Wichman 400g | 3666 | Generic slide rule of wood/celluloid, 295.5x38.5x11 mm Front Scales: L C = sinxcos cos2 ST C = D A ] D BI Back Scales: = S S&T T = |
| Nestler 20 Rietz | 1810 | Generic slide rule of wood/plastic, 294x38x11.5 mm Front Scales: 28cm / K A = B C = D L ] 1:25 Back Scales: = S S&T T = |
| Nestler 2010 | 5053 | Generic slide rule |
| Nestler 21 a Darmstadt | 1817 | Generic slide rule of wood/plastic, 580x43x12.5 mm Front Scales: 55cm L / K A = B CI C = D sincos ] sin tg Back Scales: = LL1 LL2 LL3 = |
| Nestler 23 Rietz | 1822 | Generic slide rule of wood/plastic, 285x37x11.4 mm Front Scales: 25cm / K A = B C = D L ] 1:25 #31-57cm#, Back Scales: = S S&T T = |
| Nestler 23/52 | 1848 | Generic slide rule of plastic, 293x39x6 mm Front Scales: 27cm / K A = B CI C = D L Back Scales: = S S&T T = |
| Nestler 24 Rietz | 1849 | Generic slide rule of wood/plastic, 570x43.5x13.5 mm Front Scales: 55cm / K A = B CI C = D L ] 56cm #58-106cm#, Back Scales: = S S&T T = |
| Nestler 27 Präzision | 1855 | Generic slide rule of wood/plastic, 280x37x11 mm Front Scales: 25cm / C R1 = R1 L R2 = R2 1) ] S K #31-53cm#, Back Scales: = S T = |
| Nestler 28 Universal | 1856 | Generic slide rule of wood/plastic, 284x37x11 mm Front Scales: 27cm / L D = sin.cos cos2 C = D A ] K 1) #29-54cm#, Back Scales: = S S&T T = |
| Nestler 3 | 2806 | Generic slide rule of wood/celluloid, 277x26x9 mm Front Scales: A = B C = D, Back Scales: 27cm 10inch |
| Nestler 37 Electro | 1866 | Generic slide rule of wood/plastic, 279x37x10.6 mm Front Scales: 25cm / V A = B C = D U ] LL3 K #30-56cm#, Back Scales: = S S&T T = |
| Nestler 39 Electro | 1875 | Generic slide rule of wood/plastic, 150x26x8 mm Front Scales: 1) 2) = 3) 4) 5) = 6) Back Scales: = 14cm 7) = |
| Nestler 4 | 2891 | Generic slide rule of wood/celluloid, 275x26x9 mm Front Scales: A = B C = D Back Scales: 27cm = S S&T T = 10inch |
| Nestler 40 | 1878 | Generic slide rule of all wood, 275x31.5x9.4 mm Front Scales: 25cm / Z = T M D K ] 27cm Back Scales: = L S d = |
| Nestler 41 | 1883 | Generic slide rule of wood/plastic, 115x16.8x5.5 mm Front Scales: A = B C = D Back Scales: 11cm = S CI T = 4inch |
| Nestler 43a Stahlbeton (Schäfer) | 1889 | Concrete slide rule of plastic, 295x38x11.5 mm Front Scales: 27cm 1) / 2) 3) A = B 4) 5) 6) 7) C = D lg ] 8) 9), Back Scales: = B 4) 5) 6) 7) C = |
| Nestler 9 | 1781 | Generic slide rule of wood/celluloid, 295x32x10 mm Front Scales: K A = B CI C = D L Back Scales: 29cm = S S&T T = 11inch |
| Nestler ABL 1962 Commanders Radiation Guide | 3672 | Military disc of plastic |
| Nestler Bewegingen langs de Weg | 1763 | Generic slide rule of plastic, 295x38.8x6.6 mm Front Scales: 27cm / 1) = 2) 2) = 3), Back Scales: 10inch |
| Nestler Cross-section of 29 slide rules | 5486 | Generic instrument |
| Nestler Darmstadt | 2837 | Generic slide rule of plastic, 162x38x4 mm Front Scales: 15cm / P K A = B CI C = D S T Back Scales: = LL1 LL2 LL3 = |
| Nestler Elemath Log Log | 1764 | Generic slide rule of plastic, 348x50x4 mm Front Scales: L K A = B BI CI C = D LL1 LL2 LL3 Back Scales: T1 T2 DF = CF CIF CI C = D P S ST |
| Nestler Flugzeit | 1768 | Aviation slide rule of wood/plastic, 585x52x12.5 mm Front Scales: 1) / 2) = 3) 4) = 5) \ 6) # 7) # |
| Nestler Flugzeit | 1776 | Aviation slide rule of wood/plastic, 296x38.6x11.4 mm Front Scales: 1:300000 / 1) = 2) 3) = 4) ] 1:100000 #90-170# |
| Nestler Rietz | 1746 | Generic slide rule of wood/plastic, 275x37.5x10 mm Front Scales: 25cm / K A = B C = D L ] 1:25 Back Scales: = S T = |
| Nestler Rietz | 1756 | Generic slide rule of plastic, 156x32x4.5 mm Front Scales: 13cm / K A = B CI C = D L Back Scales: = S ST T = |
| Nestler Rietz | 1757 | Generic slide rule of wood/plastic, 275x37.5x10 mm Front Scales: 25cm / K A = B C = D L ] 1:25 Back Scales: = S S&T T = |
| Nestler Rietz - S | 1773 | Generic slide rule of plastic, 156x31.4x4.2 mm Front Scales: 13cm / K A = B CI C = D L Back Scales: = S ST T = |
| Nestler Schul - Rietz | 1750 | Generic slide rule of plastic, 310x43x4.8 mm Front Scales: 30cm 15-0-15cm / K A = B CI C = D L Back Scales: = S ST T = |
| Nestler Stahlbeton System Maarschalk | 1769 | Concrete slide rule of plastic, 148x32x3.5 mm Front Scales: 13cm / w(kx) A = B w(kh) C = D w(kz) plus 5 formules, Back Scales: = S ST T = |
| Newton slide rule to calculate Ax3+Bx2+Cx=D | 3851 | Mathematics slide rule of wood/plastic, 350x206x12 mm |
| Nicholl App. Obs of Fire Mk VI | 2876 | Military slide rule of aluminium/brass, 405x35x6 mm (1918) Front Scales: K = K, Back Scales: K = S |
| Night Photographic Flash Sighting Angle and Release Distance Computer 6B / 3132 | 1990 | Aviation disc of metal, 180x6 mm Front Scales: 1) 2) 3) 4) = 5) 6) 7) Back Scales: 8) 9) = 10) 11) |
| Nomo Type 0 | 3243 | Disc |
| Nomus SKF Rollenlager | 1991 | Technical slide chart of plastic, 260x65x2.8 mm |
| NoName | 1559 | Generic disc of metal, 176x2.6 mm Front Scales: C = D |
| NoName | 1993 | Generic slide rule of plastic, 151x32x4.5 mm Front Scales: 13cm / A = B CI C = D K Back Scales: = S L T = |
| NoName | 1995 | Generic slide rule of plastic, 151x32x4.5 mm Front Scales: 13cm / A = B CI C = D K Back Scales: = S L T = |
| NoName | 1996 | Generic slide rule of plastic, 150x37x4.4 mm Front Scales: 13cm / A = B CI C = D K \ 5inch Back Scales: = S L T = |
| NoName | 1997 | Generic slide rule of plastic, 150x37x4.4 mm Front Scales: 13cm / A = B CI C = D K ] 5inch Back Scales: = S L T = |
| NoName | 1998 | Generic slide rule of plastic, 151x32x4.5 mm Front Scales: 13cm / K A = B CI C = D L Back Scales: = S ST T = |
| NoName | 2003 | Generic slide rule of plastic, 147x31x3.8 mm Front Scales: 14cm / K A = B CI C = D L Back Scales: = S S&T T = |
| NoName | 2004 | Generic slide rule of plastic, 160x38x4.2 mm Front Scales: 15cm / LL3 LL2 A = B CI C = D K LL1 Back Scales: = T2 T1 L S = |
| NoName | 2006 | Generic slide rule of plastic, 292x42.4x5 mm Front Scales: 25cm / K DF = CF CIF CI C = D A Back Scales: = S ST T L = |
| NoName | 2007 | Generic slide rule of plastic, 305x52x6 mm Front Scales: 28cm / K A = B BI CI C = D P S T Back Scales: = L LL1 LL2 LL3 = |
| NoName | 2008 | Generic slide rule of plastic, 165x28x2 mm Front Scales: A = 15cm B R C 6inch = D |
| NoName | 2009 | Generic slide rule of plastic, 163x29.2x1.8 mm Front Scales: A = 6INCHES B CI C 15METRIC = D Back Scales: = S L T = |
| NoName | 2012 | Generic slide rule of plastic, 151x27x3.3 mm Front Scales: A = B CI C = D K |
| NoName | 2013 | Generic slide rule of plastic, 152x27x3 mm Front Scales: A = B CI C = D K |
| NoName | 2015 | Generic slide rule of plastic, 152x27x3 mm Front Scales: A = B CI C = D K |
| NoName | 2019 | Generic slide rule of plastic, 150x27x3.6 mm Front Scales: A = B CI C = D K, Back Scales: = S L T = |
| NoName | 2020 | Generic slide rule of plastic, 286x40x3.5 mm Front Scales: S K A = B CI C = D L T |
| NoName | 2021 | Generic slide rule of plastic, 313x40x3.5 mm Front Scales: S K A = B CI C = D L T |
| NoName | 2023 | Generic slide rule of plastic, 285x40x3.5 mm Front Scales: S K A = B CI C = D L T |
| NoName | 2024 | Generic slide rule of plastic, 155x31x3.2 mm Front Scales: S K A = B CI C = D L T1 |
| NoName | 2026 | Generic disc of plastic, 121x1 mm Front Scales: C = D |
| NoName | 2031 | Generic slide rule of plastic, 151x32x4.5 mm Front Scales: 13cm / K A = B CI C = D L Back Scales: = S ST T = |
| NoName | 2032 | Generic slide rule of plastic, 163x29x1 mm Front Scales: 6inch A = B CI C = D 15cm Back Scales: S L T |
| NoName | 2033 | Generic slide rule of plastic, 149x32x4 mm Front Scales: 13cm / K A = B CI C = D L Back Scales: = S ST T = |
| NoName | 2038 | Generic slide rule of plastic, 150x34x4 mm Front Scales: 5inch A = B CI C = D 14cm |
| NoName | 2039 | Generic slide rule of wood/plastic, 145x26x9 mm Front Scales: 13cm / A = B C = D ] 14cm Back Scales: = S L T = |
| NoName | 2787 | Generic slide rule of plastic, 294x40x7.5 mm Front Scales: 25cm / K A = B CI C = D L Back Scales: = sin sin/tg tg = |
| NoName | 3249 | Generic slide rule of plastic, 295x45x4 mm Front Scales: K A = B CI C = D L Back Scales: = S S&T T = |
| NoName | 3256 | Generic slide rule of plastic |
| NoName | 5653 | Generic slide rule of plastic, 151x27x3.3 mm Front Scales: A = B CI C = D K |
| NoName | 5751 | Generic slide rule of wood/celluloid |
| NoName | 5786 | Generic slide rule of wood/plastic |
| NoName (Nestler) | 5657 | By (Nestler), generic slide rule of all wood |
| NoName 57 (Concise 28 Copy) | 2082 | By Hong Kong, generic disc of plastic, 80x3.5 mm Front Scales: D = C CI A K |
| NoName Birth disc Moeders Voor Moeders | 1260 | Medical disc of plastic, 90x1.2 mm Front Scales: 1) = 2) |
| NoName Black disc | 3076 | Generic disc of metal, 131x1 mm Front Scales: C = D |
| NoName Dwarswindschijf | 2050 | Aviation disc of metal, 191x2 mm |
| NoName Energy disc | 2051 | Conversion disc of plastic, 62x9 mm Front Scales: 1) = 2) = 3) = 4), Back Scales: 5) 6) = 6) |
| NoName Gauging | 2053 | Alcohol slide rule of all wood, 305x27x22 mm (Before 1824) Front Scales: Many scales, Back Scales: Many scales |
| NoName Percentage Rekenliniaal | 2057 | Financial disc of cardboard, 180/190x1.2 mm Front Scales: C = 1) 2), Back Scales: C = 3) 4) |
| NoName Pocket slide rule | 1992 | Generic slide rule of plastic, 102x23x4.5 mm Front Scales: 10cm / A = B C = D |
| NoName Procentor | 2059 | Financial disc of plastic, 90x3.2 mm Front Scales: C = D % |
| NoName Sector | 2064 | Generic sector of bone, 152x36x3 mm Front Scales: L [ 12inch L S C, Back Scales: S T T T s N |
| NoName Sector | 3446 | Generic sector of brass, 154x27x3 mm |
| NoName Sector wood | 3447 | Generic sector of all wood, 152x35x4.5 mm Front Scales: L [ 12inch L S C, Back Scales: S T T T s N |
| NoName Slide Rule | 3941 | Generic slide rule of plastic, 152x32x4 mm Front Scales: 5inch / K DF = CF CI C = D A Back Scales: = T2 T1 L S = |
| NoName Spirit rule | 3514 | Spirit slide rule of wood/metal, 226x25x4.5 mm |
| NoName Temperature correction disc | 3137 | Technical disc of metal, 98x2 mm Front Scales: 1) = 2) = 3) |
| NoName Victor 'B' MK 2 | 2637 | Aviation disc of plastic, 161x3 mm Front Scales: TOTAL 1 3 4 5 6 TOTAL (less tank 10) 7 8 11 12 Back Scales: TOTAL 1 3 4 5 6 TOTAL 7 8 10 11 12 |
| NoName Watch type calculator | 2017 | Generic watch type of metal/bakelite, 50x14 mm Front Scales: A C, Back Scales: C S T |
| NoName Wooden (only front side) | 5780 | Slide rule of all wood |
| Noralem Industries Regle a Curseur | 5314 | Technical slide chart of cardboard, 300x100x1.5 mm Front Scales: See Picture, Back Scales: See Picture |
| Norelco Miles per gallon and Twenty three year calender | 2085 | Log/tech disc of metal, 42.5x1.4 mm (1955) Front Scales: Miles driven = Miles per Gallon = Gallons |
| Norma 100 Gambrinus | 2087 | Log/tech disc of plastic, 106 mm Front Scales: units A = B 1) 2) cos |
| Norma 100 Grafia | 2086 | Log/tech disc of plastic, 106x6 mm Front Scales: C = D 1) |
| Norma 190 Gambrinus | 3515 | Generic disc of metal, 190x5 mm |
| Normus NT 62 J. Eberspächer Glasdachwerk System Huber (IWA) | 5708 | Log/tech slide chart of cardboard, 243x91x1.7 mm |
| Normus NT 71a Eisenbetonplatte System Huber (IWA) | 5709 | Log/tech slide chart of cardboard, 245x91x1.5 mm |
| Normus- Schieber Nussbaum No. 2/7 (IWA) | 5691 | By IWA, log/tech slide chart of cardboard, 220x70x1 mm (1924) |
| Norton Rekenschijf voor Slijp- en Polijstschijven | 2764 | Log/tech disc of plastic, 149x87x1 mm |
| Novotni Slide Rules Weight Slide Rule | 3281 | Log/tech slide rule of wood/plastic, 354x64x6.5 mm (1959) Front Scales: Thickness = Width Length = Subjects = Weight in Pounds |
| Novotni Weight Slide Rule | 5077 | Log/tech slide rule |
| Nuclear Yield M4A1 | 5059 | Military disc |
| Ohico Electro 15 | 2093 | Electrical slide rule of wood/plastic, 280x36x11 mm Front Scales: 26cm / LL2 A = B C = D LL3 ] 10inch #Dynamo Motor h% Volt#, Back Scales: = S L T = |
| Ohico System Rietz | 3128 | Generic slide rule of wood/plastic, 278x36x11 mm Front Scales: 26cm / K A = B C = D L ] 10inch Back Scales: = S ST T = |
| Omaro Choix des Presses Hydrauliques | 5284 | Technical slide chart of cardboard, 270x122x1.2 mm (1966) Front Scales: See Picture, Back Scales: See Picture |
| Omaro Forets | 2100 | Technical slide chart of cardboard, 230x100x2 mm (1937) |
| Omaro P . 12 Duretés, Toles, Fers plats | 2098 | Technical slide chart of cardboard, 259x120x2 mm (1935) |
| Omaro P . 12 Duretés, Toles, Fers plats | 5364 | Technical slide chart of cardboard, 261x120x1.5 mm (1935) Front Scales: See Picture, Back Scales: See Picture |
| Omaro P.10 Cornières, Rivets, Trusquinage | 2096 | Technical slide chart of cardboard, 259x120x2 mm (1935) |
| Omaro P.8 Fers Plats, Fers Carrés, Toles, Feuillards | 2099 | Technical slide chart of cardboard, 259x120x2 mm (1936) |
| Omaro Poids Des Tubes En Acier En Barres Poids | 2095 | Technical slide chart of cardboard, 230x100x2 mm (1939) |
| Omaro T.3 Denture. | 2097 | Technical slide chart of cardboard, 259x120x2 mm (1932) |
| Omaro U.2 Curseur d'Ajustements Solex | 3432 | Technical slide chart of cardboard, 120x262x1 mm Front Scales: Many scales, Back Scales: Many scales |
| Opstalan Schuifmetertje Benzineverbruik | 5393 | Technical slide chart of cardboard, 159x50x0.7 mm Front Scales: See Picture, Back Scales: See Picture |
| Orgelbau Fachverlag System Rensch (Organ) | 3583 | By Mensur, music slide rule of plastic, 395x92x2.5 mm (1986) |
| OTK PRK 69 | 5436 | Military disc of plastic, 240477x16 mm Front Scales: 1-10000 = Ctg Cosec Back Scales: 1-10000 = tg Sec |
| OTK no 1 Russian | 2719 | Military slide rule of wood/plastic, 550x44.5x9 mm (1970-1981) Front Scales: 1) = 2) 3) = 4), Back Scales: 5) = 6) = 7) |
| OVVM thuis-taxateur | 5421 | Disc |