scale for a Keuffel & Esser Paragon drafting machine
Date: circa 1940
Inventory Number: 2003-1-0204
Classification: Scale
Subject:
Maker: Keuffel & Esser Company (1867 - 1987)
Cultural Region:
Place of Origin:
Dimensions:
0.5 x 32.5 x 4 cm (3/16 x 12 13/16 x 1 9/16 in.)
Bibliography:
Catalogue of Keuffel & Esser Co.
Description:
Wooden ruler with beveled plastic edges. One edge carries an English scale ranging from 0'' to 12'', the other a half-inch scale ranging from 0 to 24. These scales are labeled "FULL SIZE" and "HALF SIZE," respectively. Aluminum cleats are screwed to the face of the ruler at both ends.
Signedface, center right: KEUFFEL & ESSER CO.
Inscribedface, center left: PARAGON 1375P-22;
face, center: K&E
face, center: K&E
FunctionFor use in a drafting machine, to draw straight edges at a prescribed angle.
The user inserts one of the cleats into one arm of the drafting machine. The cleat he chooses depends on the direction in which he needs his chosen scale (full or half size) to face. He uses a lever on the machine to adjust the angle of the scale.
The user inserts one of the cleats into one arm of the drafting machine. The cleat he chooses depends on the direction in which he needs his chosen scale (full or half size) to face. He uses a lever on the machine to adjust the angle of the scale.
Primary Sources"Paragon Drafting Machine." Catalogue of Keuffel & Esser Co. 38 (1936): 205-7.
ProvenancePrivate Donor, Troy, New York.