F.190 Data Sheet MJS-p-0049

K&E, 4094, 1951

Serial Number or Date Stamp: 590068

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

General Description: Basic linear merchant polyphase slide rule

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

Front Scales: in /| DF [ CF CI C ] D || cm

Back Scales:

Notes: Merchants Rule, excellent condition; case, too; my 100-th slide rule!

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

Date Acquired: 02/27/2019