F.177 Data Sheet MJS-p-0018

K&E, 4088-3, 1923

Serial Number or Date Stamp: 39516

Country: USA Primary construction material: wd Case included?: no

General Description: Basic linear polyphase duplex slide rule

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

Front Scales: DF [ CF CIF C ] D

Back Scales: K A [ S T CI ] D L

Notes: Polyphase Duplex; good condition

References: http://sphere.bc.ca/test/ke/320-k+e_date2.jpg; http://www.gizmology.net/sliderules_ke.htm

Date Acquired: 09/02/2012