| NAME | MATCH NR. |
DESCRIPTION |
| BAB Werbemittel | 5353 | By B.A.B. Werbemittel, medical disc of plastic, 142x1.2 mm Front Scales: seepicture, Back Scales: See Picture |
| Baedeker Calorieënteller | 0483 | Medical disc of cardboard, 110x130x2 mm |
| Ball Rietz | 0484 | Generic slide rule of wood/plastic, 279x36x11 mm Front Scales: 26cm / K A = B C = D L ] 10inch Back Scales: = S ST T = |
| Batori Speed Fuel Jet Computer | 3872 | Aviation disc of metal, 120x6 x195 mm |
| Bausch & Lomb Vertex Power Lens Computer | 3472 | Photography disc of metal, 110x1 mm |
| BDF Zonwijzer | 5410 | Medical disc of cardboard, 120x07 mm Front Scales: UV-Inde = Skin type Minutes Factor Time |
| Beers Diamond | 0486 | Log/tech disc of plastic, 90x120x1.5 mm Front Scales: 1) = 2) = 3), Back Scales: 4) = 5) = 6) |
| Begemann K.N.M. | 0487 | Technical disc of plastic, 120x2 mm Front Scales: 1) = 2) = 3) 4) = 5) Back Scales: 6) = 7) 8) = 9) |
| Begemann Pompen Rekenlat | 2768 | Log/tech slide rule of cardboard, 173x48x2.5 mm |
| Begemann Pompen Rekenlat | 5444 | Log/tech slide rule of cardboard, 173x48x2.5 mm |
| Beko Condensate Calculator | 3568 | Technical disc of plastic, 131x1 mm |
| Bell Performance Computer 206 A | 2892 | Aviation disc of cardboard/celluloid, 127x3 mm Front Scales: Tables, Back Scales: 1) 2) 3) |
| Bell Performance Computer OH - 58A | 0488 | Aviation disc of plastic, 128x2 mm |
| Benzin - Rechner | 5346 | Log/tech slide chart of cardboard, 108x149x1 mm Front Scales: See Picture, Back Scales: See Picture |
| BEPAM IRMO Carbures Metalliques | 3879 | By B.E.P.A.M Nancy, technical slide rule/disc of plastic, 186x155x14 mm |
| Berg Hydrauliek | 5308 | By vd Berg, technical slide chart of cardboard, 143x170x0.7 mm Front Scales: See Picture, Back Scales: See Picture |
| Beseler 7279 Projection | 5095 | Generic slide rule of plastic |
| Betta Enfield Height and Air Speed Mark. II A 6B / 166 | 1739 | Aviation disc of metal/bakelite, 145x7.5 mm |
| Billeter's Julius Rechentafel | 0490 | Generic instrument of metal/glass, 290x81x0.8 mm Front Scales: 1) 2) 3) 4) = 5) 6) 7) 8) = 1) 2) 3) 4) |
| Bio Slide | 0491 | Medical slide rule of plastic, 360x64x11 mm |
| BIPM Mud Weight | 0493 | Technical slide c of plastic, 190x85x2.5 mm (1966) |
| BIPM Optimum Drilling Technique | 0492 | Log/tech slide chart of plastic, 252x112x3 mm |
| Board Plotting M10 | 0570 | Aviation disc of plastic, 222x222x3 mm |
| Bofa Boortypen | 5275 | Technical slide chart of cardboard, 168x79x1.3 mm Front Scales: See Picture, Back Scales: See Picture |
| Bofa Schuiftabel voor toerentallen per minuut | 5258 | Technical slide chart of cardboard, 169x78x1.4 mm Front Scales: See Picture, Back Scales: See Picture |
| Bols Cocktail slide | 5331 | Drinks slide chart of plastic, 107x220x1.3 mm Front Scales: See Picture, Back Scales: See Picture |
| Bolts UNC Normal en Heavy Series 1955 | 0571 | By Mesc, technical slide chart of cardboard, 223x97x1.2 mm (1955) |
| Bolts UNC Normal en Heavy Series 1962 | 0572 | By Mesc, technical slide chart of plastic, 186x93x1.8 mm (1962) |
| Bombing Angle Computor 9 / 3602 | 0573 | Aviation disc of plastic, 204x204x3 mm (1959) Front Scales: 1) = 2) = 3) = 4) |
| Bonwitt Patent 19639/43 | 5745 | Generic disc of plastic, 127 mm Front Scales: LL2 A = B C = D LL3 Back Scales: 5°Sin1 Sin2 5°Tg1 Tg2 |
| Boots Ringplan Standard 5" | 2814 | Generic slide rule of plastic, 150x37x4.3 mm Front Scales: 13cm / A = B CI C = D K \ 5inch Back Scales: = S L T = |
| Bosch Hydraulics | 5790 | Log/tech slide chart |
| Bosch Pneumatic | 5791 | Log/tech slide chart |
| Bosch Règle à calcule pour condensateurs | 3907 | Log/tech disc of plastic, 99.5x1.5 mm |
| Brand Charles concrete | 3027 | Concrete disc of perspex, 270x7 mm Front Scales: 1) 2) 3), Back Scales: 4) 5) 6) 7) 8) |
| Breitling 1884 | 5643 | Nautical disc |
| Brigon Reglette (Kalkulator) | 0575 | Log/tech slide chart of plastic, 226x69x3 mm |
| Brinkman Asea control | 5276 | Technical slide chart of plastic/cardboard, 218x69x1.3 mm Front Scales: See Picture, Back Scales: See Picture |
| Brinkman Ticino Motor beveiligings schakelaars | 5253 | Electrical slide chart of cardboard, 208x73x1 mm Front Scales: See Picture, Back Scales: See Picture |
| Bristol Hercules 100 Issue 1 Fuel Consumption Indicator | 0576 | Aviation disc of metal, 157x172x3 mm Front Scales: 1) 2) 3) = 4) 5) 6) 7) 8) = 9) |
| British Engraving and Nameplate MFG Cambridge University Aircraft Navigation | 3874 | Aviation disc of celluloid, 107x1.5 mm |
| British made Protractor | 3435 | Technical protractor of ivory, 153x44x1 mm Front Scales: 14cm Various 5inch, Back Scales: Various |
| British Riding Club Vaccination Calculator | 5407 | Medical slide rule of plastic, 108x1 mm (1997) Front Scales: Months |
| British Slide Rule Company Technical Standard, The Slide Rule British Made | 2070 | Generic slide rule of wood/plastic, 301x45x14 mm Front Scales: 10inch / M A = B C = D N \ 27cm Back Scales: = S S.T. T = |
| Brown Boveri Motorentechniek | 5270 | Technical slide chart of plastic/cardboard, 210x78x1.2 mm Front Scales: See Picture, Back Scales: See Picture |
| Brown Boveri Schieber für Motoren | 0579 | Technical disc of metal, 102x1.2 mm Front Scales: 1) = 2) 3) = 4) = 5) Back Scales: 6) = 8) 9) 10) 11) |
| Bruning 2401 | 5777 | Generic slide rule of plastic |
| Bruning 2420 | 0581 | By Charles Brunning, generic slide rule of plastic, 279x40x9 mm Front Scales: 10inch / A = B CI C = D K \ 25cm Back Scales: = S L T = |
| Bundesministerium Benzinverbrauchstest | 5322 | Technical slide chart of cardboard, 110x150x0.8 mm Front Scales: See Picture, Back Scales: See Picture |
| Bush Screw Conveyer Calculator | 2750 | Log/tech slide chart of plastic, 266x115x2 mm |