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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The latter are the same as for the rule above and the reverse of the card is shown this time. Both names are printed on the back of the rule and the latter is also printed on the leather slip case.

Graphoplex 640 slide rule box papers 1960 France

This is typical of the instructions supplied with graphoppex of the more complex rules. Graphoplex often mistakenly called Raphoplex because people do not realize the large stylized surrounding G is part of the name was the main slide rule manufacturer in France. It appears to be made of celluloid, with a celluloid and very thin nickel plated, brass cursor.

Black Leather flap grraphoplex. Go to the Circular Slide Rules. Note the unusual scale markings B’s on the lower early rule. Leather slip case b Pocket Tecnilog They were based in Paris, and all their rules found so far are of plastic construction, and from the materials used, would seem to be a post-WW2 manufacturer.

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Desk Graphoplex a Neperlog I was able to find two Koh-I-Noor sets here, but only one other original Graphoplex rule. Toys Schuco microracer red Germany Go to the Cheap Slide Rules. The number is on the rule itself and on the manual.

Extended capacity hyperbolic log log rule, has P Pythagorean scale. Graphoplex Rietz five inch closed frame, plastic slide rule, complete with grsphoplex slip case.

Graphoplex Slide rules – Graphoplex Electric Log-Log

Both cursor and rule are celluloid. Leather flap case Rietz C. Only short form catalog additions to instructions sheets have been found so far, so the complete model range and dates of manufacture are not known at this time. CLICK on each image to see the page in full size! This complete set of slide rule,cardboard box, manual and card are made by Graphoplex from France. Go to the Full Sized Slide Rules.

règles Graphoplex

Leather flap graphop,ex Pocket Electric Log Log 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. The rule itself is made of plastic, as well as the cursor which has several long and short hairlines, window with hairline on the back as well.


Graphoplex clearly exported rules outside of France, as the instructions supplied with rules come with French, Spanish, German and Italian inserts, and were rules were also redistributed to the USA via Koh-I-Noor. Go to the Slide Rule Books.

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Graphoplex Slide rules

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. Man toolsTime. The rules are all very distinctive in style, and are exceptionally attractive and graphpolex designed.

Tavernier Gravet, in their previous guise as Gravet- Lenoir, were early makers of these Mannheim rules. The large stylized G with ‘ raphoplex ‘ inside is their logo, and often confuses people into thinking the rules are called ‘Raphoplex’ rules. This model is the student slide rule It has scales on both sides of the inner slider.

This slide chart, made by IWA, no: It has the following scales: Go to the Pocket Slide Rules. Desk Graphoplex slide rule