|Name and Model Number||Keuffel &Esser |
Reymond Leather Calculator
|Country of Origin||USA|
|Date of Manufacture||1920s. Patented 1924.|
|Front Scales||5 special scales|
|Scale Length||about 50 cm|
|Type of Rule||Rule|
|Construction||Mahogany with celluloid scale surfaces; has 3 slides with metal pointers, but no cursor. Size: 51 cm x 19 cm. In mahogany box with hinged lid.|
|Area of Use||Other|
|Comment||Calculates the number of shoes for selected sizes that can be cut from a leather hide of given area.
The Reymond Leather calculator was made by K&E and sold by K&E and others. This example has K&E's mark.
It was a special order slide rule and did not appear in K&E's catalogs.
|Donor||Collection of Ed Chamberlain, USA|
(Click Picture for Details)
|In conjunction with our 'donors' we assign a rarity rating to each item, based on the system devised by Herman van Herwijnen|
|(1929 - 2004), renowned Dutch collector, author, and creator of Herman's Archive, a collection of 5,000 slide rule images on CD.|
|• RR = Rare - 1 of 25 collectors has one; it may take a year to find an example in the marketplace.|
|• RRR = Very Rare - only a few known to collectors; may be several years before it comes up for sale.|
|• RRRR = Extremely Rare - a museum piece; unlikely that an example will come up for sale.|