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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Leather slip case b Pocket Tecnilog 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.

règles Graphoplex

Instructions were typically very short, folded brochures, often folded to fit inside the cases. Tavernier Gravet ten inch, closed frame, plastic slide rule. It has a burgundy plastic case, card of tables, etc, and an instruction leaflet. Leather flap case Rietz C. Go to the Pocket Slide Rules.

Graphoplex Slide rules

Note the unusual scale markings B’s on the lower early rule. Go to the Slide Rule Parts.


I was able to find two Koh-I-Noor sets here, but only one other original Graphoplex rule. The large stylized G with ‘ raphoplex ‘ inside is their logo, and often confuses people into thinking the rules are called ‘Raphoplex’ rules. Graphpolex 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. Extended capacity log log rule, has P Pythagorean scale. Many later Graphoplex rules have a very graphopllex color scheme, with violet, red and gray markings, with gray end braces, and maroon cases.

Graphoplex 640 slide rule box papers 1960 France

Drop by for a visit Calculigraphe calculator made by Henri Chatelaine in Paris. This model is the student slide rule It has scales on both sides of the inner slider. Time Certina hanwind steel Switzerland. 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.

Like other slide rule makers, Graphoplex either produced general drafting items or distributed them as well.

Graphoplex Model Number Archive

Toys Schuco microracer red Graphoplec The surface finish is very glossy on most rules, and the scale markings appear to be underneath a thin clear surface coating or layer. It has a card case. Camera Voigtlander Vitoret R case and accessories Germany Specialized commercial rule, mark up, discount, factor conversion. Go to the Circular Slide Rules. Go to the Cheap Slide Rules.


Graphoplex slide rule box papers France. The latter are the same as for the rule above and the reverse of the card is shown this time. You are visitor number. I have been unable to locate a current company called Graphoplex in France today, but they supposedly were involved in graphoplxe plastics molding and rgaphoplex, so may now exist as a different company, or as part of a larger conglomerate. Drafting sets with the Graphoplex logo, as well as other related drafting and art items are known to exist.

There is a fixed cursor on the rear glass. Go to the Full Sized Slide Rules.

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. Description Description This complete set of graphoples rule,cardboard box, manual and card are made by Graphoplex from France. Both cursor and rule are celluloid. Unusual black, red and blue scale markings, fine secondary numbers in blue.