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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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. Time Certina hanwind steel Switzerland. Specialty electronics engineering rule for direct calculation of frequency, capacitive reactance, inductive reactance, etc.
Do check the attached video on how to work your vintage man tool: Many later Graphoplex rules have a very unusual color scheme, with violet, red and gray markings, with gray end braces, and maroon cases. Common color schemes were maroon, violet and gray, and cases were typically a two part plastic case maroon or later, grayor a thin brown flap-style leather case.
Tavernier Gravet, in their previous guise as Gravet- Lenoir, were early makers of these Mannheim rules. Rotating the winder with the button depressed rotates the two hands cursors together. It has a French instruction manual.
Graphoplex Slide rules
Toys Schuco microracer red Germany Go to the Pocket Slide Rules. Rotating the winder alone rotates the back scales. Drafting sets with the Graphoplex logo, as well graphooplex other related drafting and art items are known to exist. So far, we have located a wide variety of simplex pocket and full sized rules, and several full sized duplex rules, all in plastic construction.
F requently A sked Q uestions. Man toolsTime. The large stylized G with ‘ raphoplex ‘ inside is their logo, and often confuses people into thinking the rules are called ‘Raphoplex’ rules.
It has the following scales: Like other slide rule makers, Graphoplex either produced general drafting items or distributed them as well.
Go to the Cheap Slide Rules. Leather flap case Rietz C. This is typical of the instructions supplied with most of the more complex rules. Extended capacity trig rule, has P Pythagorean scale.
Graphoplex Model Number Archive
Other calculations can also be made relating to the pipework used. General purpose simplex trig rule.
Go to the Slide Rule Parts. The surface finish is very glossy on most rules, and the scale markings appear to be underneath a thin clear surface coating or layer.
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. Here are the original French instructions included with typical Graphoplex rules: 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 Slide rules – Graphoplex Electric Log-Log
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 Graphlplex. Both cursor and rule are celluloid. They are visually very striking, something often hard to judge well from a scan, which tends to increase the visual contrast gray becomes blackand makes exact colors hard to reproduce.
It appears to be made of graphoplrx, with a celluloid and very thin nickel plated, brass cursor. Graphoplex slide rule box papers France.
Camera Ilford exposure meter England The latter are the same as for the rule above and 6400 reverse of the card is shown this time. Ther is also a formula chart strip form included with some rules.