Manufacturers/Brands Represented in this gallery: Appoullot, Arnault & Paineau, Barbotheu, Besse, Charpentier, Lenoir, Lenoir-Gravet, Logarecta, MARC - UNIS French Standard Slide Rules, Maurice Damien, Richer, Tavernier-Gravet, . Note: When you read "Brevet SGG" or "Brevet SGDG" on a French item, this means, in French: "Brevet Sans Garantie Du Gouvernement", translated to English: "Patented without government warranty". ie, if the government does not restrict or warrants the product, than the idea is considered original.
Also visit the French manufacturer Graphoplex Slide Rule Gallery |
Appoullot T2 LogZ Spiral Slide Rule (c.1930) REF |
Appoullot T2 LogZ Spiral Slide Rule Made in France, Invented by Leon Appoullot in Paris, France. 14cm diameter - Reference patents FR547870 and GB180695 Front Scale: C, L, 3 revolution number scale, special root scales, tangent & sine scales. Scales wrap in a curious artistic way. Outer scales have accessory vernier scales for increased precision. Note: 3 revolution spiral number scale is about 60 cm long. Material: 13 cm diameter irregularly shaped enameled aluminum disc, with two transparent celluloid cursors. Fitted leather case. Archive - Photo courtesy of the Ed Chamberlain Collection
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Appoullot T3 LogZ Spiral Slide Rule (c.1930) REF |
Appoullot T3 LogZ Spiral Slide Rule Made in France, Invented by Leon Appoullot in Paris, France. 14cm diameter- Reference patents FR547870 and GB180695 Front Scale: C, L, 3 revolution number scale, special root scales, tangent & sine scales. Scales wrap in a curious artistic way. Outer scales have accessory vernier scales for increased precision. Note: 3 revolution spiral number scale is about 79 cm long. Material: 20 cm diameter irregularly shaped enameled aluminum discs, with two transparent celluloid cursors. Fitted leather case. Archive - Photo courtesy of the Ed Chamberlain Collection
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Appoullot T4 LogZ Spiral Slide Rule (c.1930) Need Image |
Appoullot T3 LogZ Spiral Slide Rule Made in France, Invented by L. Appoullot in Paris, France. Front Scale: C, L, 3 revolution number scale, special root scales, tangent & sine scales. Scales wrap in a curious artistic way. Outer scales have accessory vernier scales for increased precision. Note: 3 revolution spiral number scale is about 140 cm long. Material: 30 cm diameter irregularly shaped enameled aluminum discs, with two transparent celluloid cursors.. |
This calculator has no maker name or model on it, but some inquiry placed it as the "Calculateur a Disque Mobile" – calculator with a moveable disk – invented in France by Jules Arnault and Louis Paineau and patented FR 516,480 in 1921. The manual bears a copyright by Mathieu et Lefevre, Montrouge (a suburb of Paris), the firm that fabricated the device.
References: The Arnault-Paineau calculator, Nathan Zeldes Collection in Israel. About A French Slide Rule by Willy Robbrecht ,JOS V21.2P52
J.D. Barbotheu, 17 Reu Béranger, Paris, France
Logarecta Déposé
MARC Slide Rules
Maurice Damien
39, Rue des Mathurins, Paris
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Maurice Damien Universal Calculation Ruler (Regle A Calculus) ISRM 13.02.13.01 |
Maurice Damien Universal Calculation Ruler (Regle A Calculus) Made in France - c1930 Front Scale (extended): 27cm // K, A [ B, CI, C ] D, L \\ 10.5inch Back scale: [ S, S&T, T ] Multilined Cursor (repaired, does not seem to be the original frame, which should be metal) Note:28cm long, Extruded Aluminum construction, Railroad Track style divisions, photo printed using 'Photal Process' |
Maurice Damien Universal Ruler (Regle A Calculus) REF |
Maurice Damien Universal Ruler (Regle A Calculus) Made in France - c1930 Front Scale (extended): 27cm // K, A [ B, CI, C ] D, L \\ 10.5inch Back scale: [ S, S&T, T ] Multilined Cursor (repaired, does not seem to be the original frame, which should be metal) Note:28cm long, Extruded Aluminum construction, Railroad Track style divisions, photo printed using 'Photal Process' This version has a flat back plate as compared to the one in the ISRM collection. Scan By Gonzalo Martin Collection, photocalcul.com Box label |
Maurice Damien Regle A Calculus No16 REF |
Maurice Damien Regle A Calculus No16 Made in France - c1930 Front Scale (extended): 27cm // K, A [ B, CI, C ] D, L \\ 10.5inch Back scale: [ S, S&T, T ] Multilined Cursor (repaired, does not seem to be the original frame, which should be metal) Note:28cm long, Extruded Aluminum construction, Railroad Track style divisions, photo printed using 'Photal Process' This version has a stamped back plate similar to the 'Universal' in the ISRM collection. Scan By Gonzalo Martin Collection, photocalcul.com
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Maurice Damien AAF40-4 Aviation Flight Computer REF |
Maurice Damien AAF40-4 Aviation Flight Computer Made in France - c1930 Front Scale (extended): Distance (Time (Minutes), Time (Hours), Temp Air, Altimeter Correction Back scale: Course and Wind Drift Correction Note: Photo printed using 'Photal Process' Scan By Gonzalo Martin Collection, photocalcul.com
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Maison Richer LeJard CIE Tachymetrical Slide Rule MVK 24.07.04.71 |
Harvard University Collection of Scientific Instruments has a brass version of the Richer Tachymetrical: |
Maison Richer LeJard CIE Tachymetrical Slide Rule Made in France, Designed by Jean-Francois Richer 1743-1820 who was renowned for his divided scales. Maison Richer (translates to Richer House), Guyard & Canary (Paris)” Note: It is identical to one made by the Paris firm H. Morin, then at Rue Boursault nr. 3. It is possible that LeJard c1870 was the successor company to Maison Richer and then H. Morin c1882 obtained the Richer tooling to make the scales. Dimensions: 0.8 x 43.1 x 3.1 cm (5/16 x 16 15/16 x 1 1/4 in.) Material: German Silver stored in a mahagony clam shell box. Note: other variations were made from brass. Front Scale: Nomb [ Sinus Nomb ] Nomb Back of Slide: Nomb [ Tang, P.E. , Sin-2 , Sin-2 ] Nomb Note: Nomb is short for Nombre or Number. Michael Konshak Collection.
Reference page 7 of this 2005 UKSRC paper by Otto van Poelje: Stadia or Tachymetrical Slide Rules
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Tavernier-Gravet (1867-1972) Instruments de Mathématiques Fabrique de Régles a Calul, fondee en 1820 19, Rue Mayet; ci-devant, 39, rue de Babylone, Paris, France
Tavernier-Gravet Slide Rules Chronology by Panagiotis Venetsianos, JOS Vol.11, No.2, Fall 2002 |
Tavernier-Gravet (Early Lenoir Design) c1840-1869 ISRM 24.07.04.70 |
Tavernier-Gravet (Early Lenoir Design) c1840-1869 Made in France by Tavernier-Gravet Secretan A Paris, 39 Rue de Babylon, Paris.- design by Lenoir. Front Scale: 26cm, A [ B, B ] C || 26cm Well: 26-52CM Back of Slide: S 0-90, T 0-45,L Back: Conversions, Weights (partial label in French) Tom Dilatush Collection, USA |
K&E Early Import REF |
K&E Early Import Made in France for K&E by Tavernier-Gravet Front Scale: 20cm // A [ B, C ] D || 20cm Back Scale: [ S, L, T ] Back: Equivalents (conversion factors) Note: Medaillis d'Or 1878 et 1889 - This means a gold medal for excellence Archive: Herman van Herwijnen SRC |
Tavernier-Gravet REF |
Tavernier-Gravet - c1900 Made in France- Rue Mayet 19, Paris Front Scale: 25cm // A, DF [ CF, CI, C ] D \\ 25cm Back Scale (Slide): [S, L, T ] Cursor: Brass Chisel Point Archive - Rod Lovett Collection |
Tavernier-Gravet Chisel Cursor Mannheim ISRM 24.07.04.69 |
Tavernier-Gravet Chisel Cursor Mannheim- 1889-1898 Made in France - Rue Mayet 19, Paris Front Scale: 25cm // A [ B, C ] D Back Scale (Slide): [S, L, T ] Back: Equivalents (French) Scan Courtesy of Tom Dilatush Collection |
Tavernier-Gravet Chisel Cursor Mannheim Cellulous Laminate ISRM 24.07.04.48 |
Tavernier-Gravet Chisel Cursor Mannheim Cellulous Laminate- c1900 Made in France - Rue Mayet 19, Paris Shows Medailles d' ord 18778 et 1889 (another medal was won in 1900) Front Scale: 25cm // A [ B, C ] D Well: 26-51.5cm Back Scale (Slide): [S, L, T ] Back: Equivalents (French) Tom Dilatush Collection |
Tavernier-Gravet c1910 ISRM 14.09.25.03.X |
Tavernier-Gravet - c1910 Made in France - Rue Mayet 19, Paris Material: Pearwood Front Scale: 25cm // A, [ B, C ] D || 25cm Well: 28-53.6cm Back Scale (Slide): [S, L, T ] Cursor: Cast Brass frame with glass lens with hairline Back: Equivalents in French Note: Has 48 π on end of stock and slide. These are either lot codes and/or maker marks. Original owner: H.M.J. scratched on cursor and on cardboard sleeve. Gift of Phillip Rodley, Upper Hutt, New Zealand Phillip Rodley |
Tavernier-Gravet Beghin Model Depose 10-3 REF |
Tavernier-Gravet Beghin Model Depose 10-3 Made in France Front Scale (unmarked) 27cm // A, DF [ CF, CI, C ] D, K || L Back Slider [ S, T, B ] Back: Equivalents and Conversion factors Note: Early riveted laminated wood stock, railroad track divisions, Metal framed multi-hairline glass cursor. Scan Courtesy of Giovanni Brenda Collection, Italy |
Tavernier-Gravet Beghin REF |
Tavernier-Gravet Beghin - c1920 Made in France - Rue Mayet 19, Paris Front Scale: 25cm // A, DF [ CF, CI, C ] D, K, L Back Scale (Slide): [S, T, B ] Cursor: 3 hairlines Scan Courtesy of Giovanni Breda Collection |
Tavernier-Gravet Mannheim REF |
Tavernier-Gravet Mannheim - dc8-28 (Aug 1928) Made in France - Rue Mayet 19, Paris Front Scale: 25cm // A [ B, C ] D Back Scale (Slide): [S, L, T (inverted) ] Back: Equivalents (French) Scan Courtesy of Tom Dilatush Collection |
Tavernier-Gravet Plastic REF |
Tavernier-Gravet Plastic - c1950 Made in Paris, France Front Scale (extended) 25cm // A [ B, CI, C ] D Back Scale (Slide): [S, S&T, T ] Scan Courtesy of Tom Dilatush Collection |
Tavernier-Gravet Plastic Electro ISRM 24.07.04.44 |
Tavernier-Gravet Plastic Electro - c1950 Made in Paris, France. "62" on end of stock and slide. Aluminum framed cursor. Front Scale (extended): 25cm // LL2, A [ B, CI, C ] D, LL3 Well Scales: DYNAMO-MOTEUR, VOLT# Back Scale (Slide): [S, S&T, T ] Tom Dilatush Collection |
Tavernier-Gravet Plastic REF |
Tavernier-Gravet Plastic - c1950 Made in Paris, France Front Scale (extended) 25cm // A [ B, CI, C ] D Back Scale (Slide): [S, S&T, T ] Scan Courtesy of Rod Lovett Collection |
Tavernier-Gravet Beghin REF |
Tavernier-Gravet Beghin - dc 7-23(july 1923) Made in France - Rue Mayet 19, Paris Front Scale: 35cm // A, DF [ CF, CI, C ] D, K, L Back Scale (Slide): [S, T, B ] Cursor: 3 hairlines Scan Courtesy of Tom Dilatush Collection |
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