F.173 Data Sheet MJS-p-0020

K&E, 4092-3, 1929

Serial Number or Date Stamp: 295472

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; R.W. Bluhm

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

Date Acquired: 09/02/2012