F.29 Data Sheet 29

Concise, 28, c.1970

Serial Number or Date Stamp:

Country: JPN Primary construction material: pl Case included?: yes

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 ]

Back Scales:

Notes: good condition; Super Takeda embossed on the black case

References: http://sliderulemuseum.com/Circular.htm

Date Acquired: 08/01/2020