Concise, 600ST, 1969
Serial Number or Date Stamp:
|Country: JPN||Primary construction material: pl||Case included?: yes|
General Description: Basic circular polyphase slide rule
Length of 1 decade = 8 in, and overall scale length = 8 in. The largest physical dimension is 3 in.
Front Scales: in || D [ C CI L A S T K ] || cm
Notes: Designed by Sama & Etani; Norton promotion; Periodic Table and Temp Conversion on back; insert with conversions for Flow, Pressure, Energy, Power, Volume, Velocity, etc.; instruction pamphlet
Date Acquired: 01/14/2021