CLASSIQUE. 29,4 cm. GRAPHOPLEX. ELECTRIC LOG-LOG British ( anglaise). CLASSIQUE. 29 cm. GRAPHOPLEX. ELECTRIC LOG-LOG ( variante). Graphoplex Slide rules. Welcome · Calculators · Slide Rules · Aristo · Arithma · Concise · Dietzgen · Faber-Castell · Gilson · Graphoplex · Hope · Keuffel & Esser . Use the various search options to discover and browse the details of the slide rules (many with images and copies of the instructions) I have collected since.

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Graphoplex 640 slide rule box papers 1960 France

The higher end gray end brace duplex rules from Graphoplex were also sold in the USA by the large drafting supply distributor, Koh-I-Noorbased in New Jersey, and still have the Graphoplex logo. Graphoplex Rietz five inch closed frame, plastic slide rule, complete with leather slip case.

Extended capacity hyperbolic log log rule, has Graphopldx Pythagorean scale. Tavernier Gravet ten inch, closed frame, plastic slide rule.

This complete set of slide rule,cardboard box, manual and card are made by Graphoplex from France. Coffee Neapolitan flip coffee pot Italy Other calculations can also be made relating to the pipework used. General purpose high end simplex rule. Description Description This complete set of slide rule,cardboard box, manual and card are made by Graphoplex from France.


This is 60 of the instructions supplied with most of the more complex rules. Only short form catalog additions to instructions sheets have been found so far, so the complete model range and dates grapholpex manufacture are not known at this time. Rotating the winder with the button depressed rotates the two hands cursors together. The has crisp black scales, with inverse and extension areas in red, and many extra secondary numbers in pale blue, an exceptionally clean and clear rule layout, worth tracking down.

Note the unusual scale markings B’s on the lower early rule. Camera Voigtlander Vitoret R case and accessories Germany Circular rules existed under the tradename Roplexwith an uncommon wheel-rotation design.

Man toolsTime.

Camera 4 vintage cameras Germany France England. I have been unable to locate a current company called Graphoplex in France today, but they supposedly were involved in other plastics molding and manufacturing, so may now exist as a different company, or as part of a larger conglomerate. Tavernier Gravet, in their previous guise as Gravet- Lenoir, were early makers of these Mannheim rules.

Time Certina hanwind steel Switzerland. Camera Prazisa boxed camera flash light Germany. The latter are the same as for the rule above and the reverse of the card is shown this time. It has a card case. Unusual black, red and blue scale markings, fine secondary numbers in blue.


French Slide rules

Here are the original French instructions included with typical Graphoplex rules: F requently A sked Q uestions. A short form catalog often was present at the top, listing similar rules by model number. The number is on the rule itself and on the manual. It has a French instruction manual.

DeskMan tools Dutch weather station sputnik. This model is the student slide rule It has scales on both sides of the inner slider. Traphoplex capacity trig rule, has P Pythagorean scale.

Graphoplex Slide rules

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Specialty electronics engineering rule for direct calculation of frequency, capacitive reactance, inductive reactance, etc. Many later Graphoplex rules have a very unusual color scheme, with violet, red and gray markings, with gray end grapjoplex, and maroon cases. Do check the attached video on how to work your vintage man tool: