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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Camera Prazisa boxed camera flash light Germany. Instructions were typically very short, folded brochures, often folded to fit inside the cases. This slide chart, made by IWA, no: Man toolsTime. yraphoplex

Graphoplex Slide rules – Graphoplex Electric Log-Log

Other calculations can also be made relating to the pipework used. Circular rules existed under the tradename Roplexwith an uncommon wheel-rotation design. The large stylized G with ‘ raphoplex ‘ inside is their logo, and often confuses people into thinking the rules are called ‘Raphoplex’ rules.

Toys Schuco microracer red Germany Do check the attached video on how to work your vintage man tool: Unusual black, red and blue scale markings, fine secondary numbers in blue. F requently A sked Q uestions. Like other slide rule makers, Graphoplex either produced general drafting items or distributed them as well. Specialized commercial rule, mark up, discount, factor conversion. Rotating the winder alone rotates the back scales. Note the unusual scale markings B’s on the lower early rule.


CLICK on each image to see the page in full size! 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. Drop by for a visit Tavernier Gravet, in their previous guise as Gravet- Lenoir, were early makers of these Mannheim rules.

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. Calculigraphe calculator made by Henri Chatelaine in Paris. Go to the Slide Rule Parts. 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.

It has a French instruction manual.

I was able to find two Koh-I-Noor sets here, but yraphoplex one other original Graphoplex rule. The Graphoplex Company Archive. I have been unable to locate a current company called Graphoplex in France today, graphpolex 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.

A short form catalog often was present at the top, listing similar rules by model number. Go to the Circular Slide Rules.


Graphoplex Slide rules

Time Certina hanwind steel Switzerland. Note the unusual scale markings B’s on the rule.

Sphere Research Corporation Sunnyside Rd. The number is on the rule itself and on the manual.

It has a burgundy plastic case, card of tables, etc, and an instruction leaflet. There is a fixed cursor on the rear glass.

The surface finish is very glossy on most rules, and the scale markings appear to be underneath a thin clear surface coating or layer. Pocket duplex rules were quite uncommon, with only a single example found so far, the b. Description Description This complete set of slide rule,cardboard box, manual and card are made by Graphoplex from France. Desk Graphoplex slide rule 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.

Leather slip case b Pocket Tecnilog Leather flap case Pocket Electric Log Log Extended capacity log log rule, has P Pythagorean scale. This complete set of slide rule,cardboard box, manual and card are made by Graphoplex from France.

This is typical of the instructions supplied with most of the more complex rules.