F.210 Data Sheet MJS-p-0168

K&E, 68-1130, 1967

Serial Number or Date Stamp: 25531

Country: USA Primary construction material: pl Case included?: yes

General Description: Advanced linear log-log duplex slide rule

Length of 1 decade = 5 in, and overall scale length = 5 in. The largest physical dimension is 5 in.

Front Scales: Ln-3 Ln-2 Ln-1 Ln-0 A [ B T SRT S C ] D DI K

Back Scales: Sq1 Sq2 DF [ CF CIF L CI C ] D Ln0 Ln1 Ln2 Ln3

Notes: Deci-Lon 5

References: http://www.mccoys-kecatalogs.com/keserialnumbers/Dating-2.htm#Serial

Date Acquired: 12/25/2020