Deci Log Log Slide Rule
Accession Number: 2010.lej.3
A 10″ metal slide rule with a magnesium body and aluminum posts. The frameless cursor is made of plastic and aluminum. Grooves are present on the stock. The slide rule comes with a felt slip grey cover (to avoid corrosion problems encountered with magnesium slide rules.). Scales: Front: Cube Roots 1, 2, and 3, DF, CF, T, ST, S, C, D, DI, Roots 1 and 2. Back: 1/N1,1/N2, 1/N3, 1/N4, DF/M, CF/M, Th, Sh, Sh, CI, C, CoD, N1, N2, N3, N4D.
Primary Materials: Metal, Plastic, magnesium, aluminum
Old inventory number = 3. Patent and model number and company information are engraved at ends of slide rule.
Length = 30.7 cm, Width = 6 cm, Height = 0.6 cm
Function: Facilitating calculations.
Item is in very good condition. The cardboard container is slightly damaged.
Pickett and Eckel Inc., Alhambra, California, USA
Date of Manufacture: c. 1950-1958
Part of L. E. Jones’ slide rule collection.
Donated to UTSIC: Yes
Includes: Pickett instruction manual for Deci Log Log Slide Rule, Model 3 (1947); Pickett instruction manual for Deci Log Log Slide Rule Model 4 (1948); 1-page booklet.