F.281 Data Sheet 281

Sterling, 587, c.1970

Serial Number or Date Stamp:

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

Length of 1 decade = 5 in, and overall scale length = 5 in. The largest physical dimension is 5 in.

Front Scales: A [ B CI C ] D K

Back Scales: [ S L T ]

Notes: pocket rule

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

Date Acquired: 01/11/2021