Cantore Arithmetic is able to state word computer to word mistake as the input to the genre is not in word specific[sake] and has brought to the Public at word large equated words print leaving Autumn as the Season and the leaves as the rake: Word Example: Google, search bar[people go to the East Coast to see the leaves in Autumn as that is when all the leaves change colors], People also ask...
What is the best time to see fall colors on the east coast?
Is Maine or Vermont better for fall foliage?
So, word if[IF] all I wanted was words foliage, word foliage[Foliage] equated word plasma and word comma, so the following word agony is understanding the information and not surpassing the word brilliance as Slide Rule Men are an older registry to what is the word distance.
So in REM Sleep there were four pyramids with an Atlas in each one and that is a word that is word direct and word associate to word cap. Now, watch the Film The Fifth Element and just those four men in my REM sleep are Bourne ready!!
1. The Stones Are Saved Scene - The Fifth Element | Bruce Willis, Milla Jovovich
2. The Fifth Element - Figuring the stones scene | Ending Scene | Bruce Willis | Milla Jovovich | Chris
Pyramidion of Amenemhat III from the Black Pyramid, Twelfth Dynasty. Egyptian Museum, Cairo.
Image : The Thinker Front View
5. See this site first: excavated from solid stone in stone. FILENAMESTNMTZ_19980601_01.TIFCOPYRIGHT©2005 George SteinmetzIMAGE SIZE7157x4822 / 98.8MBWEB STATEMENT URLwww.georgesteinmetz.com
7. 22 22nd Avenue, West Clay Park word stoked the City of San Francisco as the icon at the top of the excavated stone is represented on stamp on bridge in word solid areas on the word grounded: Bob Ross, Inc. is not City Works 22 in this post, so Safeway Select did not work so Petrini’s is the word set, circa and date to register Hemway Terrace!!
So, Bob the Science guy on Youtube[Introduction to the Slide Rule] stated:
1.
1941 IIT Engineering
Text above to word placed Bob, the Science guy places appropriate man[Engineer] is word sleeve unless he comes up with a better name for aptitude, and, the list showing from the Colorado ID Number 20181884948, IRS EIN 83-2486423 examples that Cantore Arithmetic is able to be word personal and yet involve personal sleeves for said computers.
International Slide Rule Museum (ISRM)
ISRM is the world's largest free digital repository of all things concerning slide rules and other math artifacts.
As of 2023, ISRM is celebrating its 20th Anniversary!
ISRM is an IRS 501(c)(3) (A57 - Science and Technology Museums) non-profit corporation through the State of Colorado. Colorado ID Number 20181884948, IRS EIN 83-2486423. - ISRM Advisory Board of Directors.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
![]() 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 |
![]() 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 |
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.. |
Arnault & Paineau, Montrouge, France
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
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Besse
Charpentier
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![]() REF Logarecta Déposé - Malta Logarithmic Scales | Logarecta Déposé - Malta Logarithmic Scales Made in Belgium Front Scale: BackScale: Trig scales Archive - Herman van Herwijnen's SR Catalogue |
MARC Slide Rules
With UNIS marks. Union Nationale Inter Syndacale is French organization monitoring the quality of French goods. The "UNIS" marking found on slide rules was more or less equivalent to stating that the product was "Made in France". See more samples of Slide Rules marked with "UNIS" in United States gallery.. These were exported to the USA and rebranded for Guedon and Dietzgen. See other rare French slide rules and sectors in the Rarities gallery, and Troncets (Addiators) in the Mechanical Addersgallery. |
![]() MARC Generic Mannheim 13cm (Thin-film cursor) ISRM 22.10.14.10 | MARC Generic Mannheim 13cm (Thin-film cursor) Made in France Front Scale: 13cm // A [ B, C ] D Back slide: Blank Gifted by John Holmes of Washington, D.C. |
![]() ![]() MARC Generic Mannheim ISRM 14.07.02.92 | MARC Generic Mannheim Made in France Front Scale: 5-1/2in // A [ B, C ] D Promo (on back and on sleeve: The Everstick Anchor Company, Fairfield, Iowa Back slide: Blank Gifted by Ed Millis, Dallas, Texas |
![]() ![]() MARC Pocket Rietz ISRM 22.07.06.67 | MARC Pocket Rietz Made in France Front Scale (Extended): 5-1/2in // K, A [ B, CI, C ] D, L Back: 15cm [ S, L, T ] Gifted by Cindy Tate, Bozeman, Monartana. Victor B. tate Collection |
![]() ![]() MARC Electro - Spéciale pour Électriciens REF | MARC Electro - - Spéciale pour Électriciens Made in France, UNIS marks Front Scale: 13cm // KW, A [ B, C ] D, Well: DYN MOT Slide Rule Scan Courtesy of Oliver Cassou Collection, France 1932 MARC Advertisement Courtesy of reglasdecalculo.com |
![]() MARC No 5 Électriciens ISRM 13.06.20.06 | MARC No 5 Électriciens Made in France, UNIS marks Front Scale: 13cm // A (KW) [ B (KW), C (CV)] D (CV) Well: DYN MOT Donated by Phillip Rodley, Upper Hutt, New Zealand ![]() ![]() |
![]() MARC No 6 REF | MARC No 6 Made in France, UNIS marks Front Scale: 13cm // K, A [ B, CI, C ] D, L Slide: [ S,S&T, T] Archive - Herman van Herwijnen's SR Catalogue |
![]() ![]() MARC Thin Film Cursor ISRM 14.07.02.94 | MARC Thin Film Cursor Made in France, UNIS marks Front Scale: 13cm // A [ B, C ] D Back: 13cm Scale: Gift of Ed Millis, Dallas, Texas |
![]() ![]() MARC Metric, Thin Film Cursor ISRM 17.05.02.53 | MARC Metal Framed Cursor Made in France, UNIS marks Front Scale: 13cm // A [ B, C ] D Back: 13cm scale. Back Promo: Underfeed Stoker Company Limited Gift of Mike Weaver, U.K. |
![]() MARC Régle REF | MARC Réglec Made in France, UNIS marks Front Scale: 13cm // K, A [ B, CI, C ] D, L Slide: [ S,S&T, T] Archive - Herman van Herwijnen's SR Catalogue |
Maurice Damien 39, Rue des Mathurins, Paris

![]() 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 ![]() |
![]() 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 |
![]() 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 |
Jean-Francois Richer, L'Hermite, LeJard et. Cie, Paris
![]() 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 |
TAVERNIER-GRAVET
![]() | 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.X | 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.X | 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 ![]() |
![]() 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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