K&E, 68-1892, c.1970
Serial Number or Date Stamp:
|Country: USA||Primary construction material: pl||Case included?: no|
General Description: Basic linear beginner/student polyphase slide rule
Length of 1 decade = 10 in, and overall scale length = 10 in. The largest physical dimension is 10 in.
Front Scales: K A [ B S CI T C ] D L
Notes: K12 Prep; last of the K&E Beginner’s Rules; replaced Model 4058; Special Desktop Edition, mounted on leather pad
Date Acquired: 08/06/2020