Trig Slide Rule

L. E. Jones

Accession Number: 2010.lej.2

Description:

A 6″/5″ All Metal Pocket Slide Rule, made of aluminum, with grooves on the slide. An “Eye Saver” (ES) design with yellow background and black markings. The slide rule has a frameless glass cursor. Includes a cardboard box along with a manual, business reply envelope, a guarantee registration card with number A1227107 with the actual instrument in a sleek leather case. Scales: Front: K, A, B, CI, C, D, L; Back: S, ST, T, C, D.

Alternative Name:

Primary Materials: Metal, Plastic, glass, paper

Markings:

Old Inventory Number = 2. Markings: Model N 200-ES Trig. Made in U. S. A. Pickett All Metal Slide Rules.

Dimensions (cm):

Length = 15.4 cm, Width = 2.2, Height = 0.6 cm

Function: Facilitating calculations.

Condition: Item is in very good condition.

Associated Instruments:

Manufacturer:

Pickett Inc., Santa Barbara, California, USA 93102

Date of Manufacture: c. 1962-1975

Provenance:

Part of L. E. Jones’ slide rule collection.

Donated to UTSIC: Yes

Historical Notes:

Includes: Pickett instruction manual for trig calculator (1960), Business Reply card, Pickett Slide Rule Guarantee. For more information about Keuffel & Esser Co.’s history, see: http://www.nyc.gov/html/lpc/downloads/pdf/reports/k&e.pdf