F.227 Data Sheet MJS-p-0409

back to Collection Data Sheets

K&E, 68-1100, 1962

Serial Number or Date Stamp: 316786

Country: USA

Primary construction material: pl

Case included?: yes

General Description: Advanced linear log-log duplex slide rule

Length of 1 decade = 10 in, and overall scale length = 10 in. The largest physical dimension is 10 in.

Front Scales: Sq1 Sq2 DF [ CF CIF L CI C ] D LL0 LL1 LL2 LL3

Back Scales: LL03 LL02 LL01 LL00 A [ B T SRT S C ] D DI K

Notes: Deci-Lon 10; very early version, 13 finger grips, 300K serial number; original owner Ken Senica

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

Date Acquired: 02/05/2026