Concise, 28, c.1970
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 4 in.
Front Scales: D [ C CI A K ]
Notes: good condition; Super Takeda embossed on the black case
Date Acquired: 09/02/2012