Alba
Alba REF Alba Calcurregla |
Alba Calcurregla Made in Mexico Front Scale A [ B, T CI, C ] D, K, L Back scale: Flippable Cursor S, T, ST, D, LL3, LL2, LL3 Archive - Herman' van Herwijnen's SRC |
Beacon REF Beacon 313 |
Beacon 313 Made in South Korea Front Scale L, K, A [ B, T T, S Cos, ST ST, C ] D, DI, LL0, LL/0 Back scale: LL/1, LL/2, LL/3, DF [ CF, CIF, CI, C ] D, LL3, LL2, LL3 Archive - Guillermo Castarés collection (Argentina) |
 P262 Deeva 601 |
Deeva 601 - c1965 Made in India, under collaboration with Diwa, Norway Front Scale (Extended) 13cm // K, A [ B, CI, C ] D, L Back scale: [ S, S & T, T ] Back Adv: J.N.Marshal Pvt. Ltd., Poona, India Original Owner: A.V. Ranganathan - Indira Nagar, Adyar - Chennai, India. |
 P263 Deeva 601-1 |
Deeva 601-1 - c1970 Made in India, under collaboration with Diwa, Norway Front Scale (Extended) 11cm/-1to+4 inch // K, A [ B, CI, C ] D, L Back scale: [ S, ST, T ] Back Adv: J.N.Marshal Pvt. Ltd., Poona, India Original Owner: A.V. Ranganathan - Indira Nagar, Adyar - Chennai, India. |
 S558 Deeva Polytek 707 |
Deeva Polytek 707 - c1970 Made in India, under collaboration with Diwa, Norway Front Scale (Extended) L, K, A [ B, S, ST, T, C ] D, DI, P Back: blank Multi-hairlined cursor Original Owner: A.V. Ranganathan - Chennai, India. |
 S559 Deeva Teknilog 710 |
Deeva Teknilog 710 - c1970 Made in India, under collaboration with Diwa, Norway Front Scale (Extended) LL01, LL02, LL03, A [ B, L, K, C ] D, LL3, LL2, LL1 Back Scale (Extended) LL00, ST, T Cot, DF [CF, CIF, CI, C ] D, P, S Cos, LL0 Multi-hairlined cursor Original Owner: A.V. Ranganathan - Chennai, India.  Note: 'Lightning Bolt' gauge mark on CF at 3.29 |
 S560 Deeva Polyilog 720 |
Deeva Polyilog 720 - c1970 Made in India, under collaboration with Diwa, Norway Front Scale (Extended) LL00, L, K, A [ B, S Cos, ST, T Cot, C ] D, DI, P, LL0 Back Scale (Extended) LL01, LL02, LL03, DF [CF, CIF, CI, C ] D, LL3, LL2, LL1 Multi-hairlined cursor Original Owner: A.V. Ranganathan - Chennai, India. 
Instructions 6.03MB |
Regla De Calculo "JAM"  REF JAM Model A.1 |
JAM Model A.1 Made by Industria Argentina, Buenos Aries, Argentina Front Scale (Extended) 15cm // A [ B, C ] D || 5in Well: 20-33cm Back scale: [ Sin, Sin & Tan, Tan ] Back: Equivalents (Spanish) Archive - Guillermo Castarés collection (Argentina) |
 REF JAM Model A.2-3 |
JAM Model A.2-3 Made by Industria Argentina, Buenos Aries, Argentina Front Scale (Extended) 30cm // K, A [ B, CI, C ] D, L || 10in Well: 32-61cm Back scale: [ Sin, Sin & Tan, Tan ] Back: Equivalents (Spanish) Archive - Guillermo Castarés collection (Argentina) |
Kepler  REF Kepler 1015 |
Kepler 1015 Made by Industria Argentina, Buenos Aries, Argentina Front Scale: Sin, Tan, A [ B, CI, C ] D, K, L Back scale: P, ST, DF [CF, CIF, C] D, LL3, LL03 Markings: Hirschberg S.A. Archive - Guillermo Castarés collection (Argentina) |
O.K.E.  REF O.K.E. El Disco Calculador |
O.K.E. El Disco Calculador Made by Industria Argentina, Buenos Aries, Argentina Front Scale (Extended) D, L, A, K, S, T Back: Equivalents (Spanish) Archive - Guillermo Castarés collection (Argentina) 
Instructions 800KB PDF) |
Archimedes (Industria Brasileira)  REF Archimedes Universal |
Archimedes Universal Made in Rio de Janeiro, Brazil, Front Scale (Extended) 15cm // K, A [ B, CI, C ] D, L Back scale: [ Sin, Sin & Tan, Tan ] Back: Archimedes Logo/Conversions Multi-hairlined cursor Archive - João Roberto Gabbardo collection (Brazil) |
 REF Archimedes 11-C Style 1 |
Archimedes 11-C Style 1 Made in Rio de Janeiro, Brazil, Front Scale (Extended) 13cm // K, A B, CI, C ] D, L Back Scale (Extended): [ S, ST, T ] Archive - João Roberto Gabbardo collection (Brazil) |
 REF Archimedes 11-D Universal |
Archimedes 11-D Universal Made in Rio de Janeiro, Brazil, Front Scale (Extended) K A [ B, CI, C ] D, L Back Scale (Extended) S, DF [ CF, CIF, C ] D, ST, S Archive - João Roberto Gabbardo collection (Brazil) |
 REF Archimedes 11-DL Tecnolog |
Archimedes 11-DL Tecnolog Made in Rio de Janeiro, Brazil, Front Scale (Extended) LL01, LL02, LL03, A [ B, L, K, C ] D, LL3, LL2, LL1 Back Scale (Extended) ST, T1, T2, DF [ CF, CIF, CI, C ] D, P, S Archive - João Roberto Gabbardo collection (Brazil) |
 REF Archimedes 11-DL Tecnolog Style 2 |
Archimedes 11-DL Tecnolog Made in Rio de Janeiro, Brazil, Front Scale (Extended) LL01, LL02, LL03, A [ B, L, K, C ] D, LL3, LL2, LL1 Back Scale (Extended) ST, T1, T2, DF [ CF, CIF, CI, C ] D, P, S Archive - João Roberto Gabbardo collection (Brazil) |
 REF Archimedes_12-C_Universal |
Archimedes_12-C_Universal Made in Rio de Janeiro, Brazil, Front Scale (Extended) 15cm // K, A [ B, CI, C ] D, L \\ 6in Back scale: [ Sin, Sin & Tan, Tan ] Multi-hairlined cursor Archive - João Roberto Gabbardo collection (Brazil) |
 REF Archimedes 12-C Style2 |
Archimedes 12-C Style2 Made in Rio de Janeiro, Brazil, Front Scale (Extended) 15cm // K, A [ B, CI, C ] D, L \\ 6in Back scale: [ Sin, Sin & Tan, Tan ] Multi-hairlined cursor Archive - João Roberto Gabbardo collection (Brazil) |
 REF Archimedes 13-C Universal |
Archimedes 13-C Universal Made in Rio de Janeiro, Brazil, Front Scale (Extended) 27cm // K, A [ B, CI, C ] D, L \\ 10.5in Back scale: [ Sin, Sin & Tan, Tan ] Multi-hairlined cursor Archive - João Roberto Gabbardo collection (Brazil) |
 REF Archimedes Concreto |
Archimedes Concreto Made in Rio de Janeiro, Brazil, Front Scale (Extended) 27cm // K, A [ B, X, h, Sfe, C ] D, L|| 10.5in Back scale: [ Sin, Sin & Tan, Tan ] Back: Concrete Volumn guide/Conversions Multi-hairlined cursor Archive - João Roberto Gabbardo collection (Brazil) |
Plastograf  REF Plastograf |
Plastograf Made in Sao Paulo, Brazil, Front Scale (Extended) 14cm // K, A [ B, CI, C ] D, L Back scale: [ Sin, Sin & Tan, Tan ] Back Adv: Aero-Mechanica Darma, Ventilacao Industrial Archive - João Roberto Gabbardo collection (Brazil) |
 REF Plastograf Academica |
Plastograf Academica Made in Sao Paulo, Brazil, Front Scale (Extended) K, A [ B, CI, C ] D, L Back scale: [ Sin, Sin & Tan, Tan ] Archive - João Roberto Gabbardo collection (Brazil) |
 REF Plastograf Standard |
Plastograf Standard Made in Sao Paulo, Brazil, Front Scale (Extended) 14cm // K, A [ B, CI, C ] D, L Back scale: [ Sin, Sin & Tan, Tan ] Archive - João Roberto Gabbardo collection (Brazil) |
 REF Plastograf Trident Super 22 |
Plastograf Trident Super 22 Made in Sao Paulo, Brazil, Industria Brasileir Front Scale (Extended) LL01, LL02, LL03, A [ B, L, K, C ] D, LL3, LL2, LL1 Back Scale (Extended) Cot T, ST, DF [ CF, CIF, CI, C ] D, P, S Cos Archive - João Roberto Gabbardo collection (Brazil) |
Chinese Rarities  REF Chinese Slide Rule -1660 |
Chinese Slide Rule -1660 (Oldest known from China) Courtesy of Vladimir Eremeev Evstegneevich, Assistant professor of History of Science, Russian State Humanitarian University, Moscow. http://history.rsuh.ru/eremeev/ (open a Google 'Russian to English' translation page to view |
Innovation  DH047 Innovation 801 |
Innovation 801 Made in China - c1950 Front Scale K, A [ B, BI, CI, C ] D, P, S, T Back Scale [ L, LL1, LL2, LL3 ] Donated by David Hecht, Alexandria, VA |
Gong Se He Ying  C31 Gong Se He Ying - Metalworking |
Gong Se He Ying - Metalworking calculator for Iron materials Made in China by Sheyang DALI Metal Factory - c1950 Front Scale degree, meter, quantity, kilogram (Steel. Iron, cast, ball, flat steel, flat iron, flat cast) Back Scale SG, A [ B, T Cot, ST, Sin Cos ] D, DI Previous Owner: Liu Qinglin (Beijing, China) 
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Fang Yuan (Square-Circle)
 P265 Fang Yuan 66 |
Fang Yuan 66 - c1978 Made in China - Celluloid on Mongolian Ash Front Scale K, A [ B, CI, C ] D, L Back Scale [ S, ST, T ] Donated by Liu Qinglin (Beijing, China) |
 S490 Flying Fish 1001 |
Flying Fish 1001 - c1978 Made in China by Shanghai Front Scale (Extended) LL01, LL02, LL03, A [ B, L, K, C ] D, LL3, LL2, LL1 Back Scale: T Ctg, ST, DF [ CF, CIF, CI , C ] D, P, S Cos Previous Owner: Liu Qinglin, Beijing, China |
 S554 Flying Fish 1002 |
Flying Fish 1002 - c1978 Made in China Front Scale (Extended) sh2, sh3, K, A [ B, sin2 cos2, H'2, tg2 ctg2, tg3 ctg3, C ] D, DI, lg, th2 Back Scale: Ln1I, Ln2I, Ln3I, DF [ CF, CIF, H2, H3, CI, C ] D, Ln3, Ln2, Ln1 Previous Owner: Liu Qinglin (Mining Engineer) in Beijing, China |
 S507 Flying Fish 1003 |
Flying Fish 1003 - c1978 Made in China by Shanghai Front Scale (Extended) sh0, sh1, cu1, cu2, cu3 [ lg1-1, tg0 ctg0, tg1 pctg1, tg2 ctg2, sin0 cos0, s-1t-1 cos-1ctg-1, C ] D, sq2, sq1, th0, ch1 Back Scale: Ln-2, ln-1, ln0, ln1, DF [ CF, CIF, H0, H1, H0, CI, C ] D, ln1, ln0, ln-1, ln-2 Previous Owner: Liu Qinglin, Beijing, China 
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 S530 Shanghai 1015 |
Shanghai 1015 - c1966 Made in China by Shanghai, name prior to Flying Fish Front Scale (Extended) Sh1, Sh2, K, A [ B, T cot, ST, S cos, C ] D, DI, L, Th Back Scale: LL/1, LL/2, LL/3, DF [ CF, CIF, H, CI, C ] D, LL3, LL2, LL1 Previous Owner: Liu Qinglin in Beijing, China 
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 REF Flying Fish 1017 |
Flying Fish 1017 - c1978 Made in China Front Scale (Extended) LnI-1, Ch A~M, Ch N~Z, Mz [ M, T °F, T °C, F(t) ] P Kg/cm2, P mmHg, Tw, Ln-2 Back Scale: LnI-1, LnI0, LnI1, A1 [ Lg1-1, T T, S Cos , C ] D, Ln1, Ln0, Ln-1 Archive - Peter Owen collection |
 P261 Flying Fish 1200 |
Flying Fish 1200 - c1978 Made in China Front Scale (Extended) sh0, sh1, K, A [ B, srt-1 cos-1 ctg-1, tg0 ctg0, tg1 ctg1, tg2 ctg2, C ] D, lg-1, th0, ch1 Back Scale: LnI-1, LnI0, LnI1, DF [ CF, CIF, Sin0 Cos0, H'0, CI, C ] D, Ln1, Ln0, Ln-1 Previous Owner: Liu Qinglin (Mining Engineer) in Beijing, China |
 P264 SIDA 1203 |
SIDA 1203 - c1978 Made in China Front Scale K, A [ B, CI, L, C ] D, ST Back Scale: [ S, T ] Donated by Liu Qinglin (Mining Engineer) in Beijing, China |
 REF Flying Fish 1205 |
Flying Fish 1205 - c1978 Made in China Front Scale (Extended) T, K, A [ B, L, CI, C ] D, S Cos, SRT Back Scale: 5in [ Formulae ] 12cm Archive - Peter Owens collection |
 ISRM Shanghai May 7th |
Shanghai May 7th (c1968-1978) Made in China by Shanghai Slide Rule Manufacturing Factory Front Scale (Extended) K, A [ S, ST, T, C ] D, DI, L Back Scale: 12cm [ Geometric Equations ] Geometric Equations Note: May 7th, 1966 is a special day in Chinese history, in that is when Mao se Tung's directive was implimented forcing professors, engineers and scientist out to work in the fields to experience the day-to-day lives of farm workers. Donated by David Hecht, Alexandria, VA |
Nan Hui  DH049 Nan_Hui_5901 |
Nan Hui 5901 Made in China - after 1956 Front Scale LL1I, K, A [ B, Sin Cos, H', Tg Cot, C ] D, L, LL1 Back Scale LL2I, LL3I, DF [ CF, CIF, H, CI, C ] D, LL3, LL2 Donated by David Hecht, Alexandria, VA |
Shanghai Ding Feng S489 Shanghai Ding Feng 5471 |
Shanghai Ding Feng 5471 - c1958 Made in China - Celluloid laminated Bamboo Front Scale 2D, L, K, A [ Tan Cot, Sin Cos, H, CI, C ] D, Th, Sh1, Sh2 Back Scale LL1I, LL2I, LL3I, DF [ CF, CIF, H, CI, C ] D, LL3, LL2, LL1 Previous Owner: Liu Qinglin in Beijing, China 
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 S524 Shanghai Ding Feng 5471 |
Shanghai Ding Feng 5471 - c1958 Made in China - Celluloid laminated Bamboo Front Scale 2D, L, K, A [ Tan Cot, Sin Cos, H, CI, C ] D, Th, Sh1, Sh2 Back Scale LL1I, LL2I, LL3I, DF [ CF, CIF, H, CI, C ] D, LL3, LL2, LL1 Previous Owner: Ni Wei Juan in Shanghai, China |
Shanghai Si Da Rule Factory S393 Shanghai Si Da Rule Factory 1083 |
Shanghai Si Da Rule Factory 1083 - c1931 Made in China - Clone of K&E 4092-3S Front Scale LL0, A [ B, S, T, C ] LL3, LL2, LL1 Back Scale K, DF [ CF, CIF, CI, C ] D, L Found in Novosibirsk, Russia. Liu Qinglin in Beijing, China identified it for me as it had no markings. At first I wondered how a K&E ended up there, but if you look at the end plates you'll see there are no adjustment screws, just 3 rivets holding the stock together. Unfortunately it did not come with a cursor, but dimensionally, a K&E will fit it. It is the same thickness, and length, but 1 mm wider, than a K&E 4092-3S. |
 S533 Shanghai Si Da Rule Factory 1083 |
Shanghai Si Da Rule Factory 1083 - c1940 Made in China Front Scale LL0, LL00, A [ B, T, ST, S ] D, Th, Sh2, Sh1 Back Scale L, LL1, DF [ CF, CIF, CI, C ] D, LL3, LL2 Previous Owner: Liu Qinglin (Beijing, China) 
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Tianjin - Gong Nong Bing
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 S532 Tianjin Gong Nong Bing 6504 Electronic |