F.189 Data Sheet MJS-p-0021

K&E, 4092-3, 1933

Serial Number or Date Stamp: 441408

Country: USA Primary construction material: wd 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: K DF [ CF CIF CI C ] D L

Back Scales: LL0 A [ B S T C ] LL3 LL2 LL1

Notes: Log Log Duplex; improved metal framed cursor; stitched case; J.A.B.

References: http://www.mccoys-kecatalogs.com/KECollection/4092-3/keN4092-3_s1_1.htm

Date Acquired: 09/02/2012