F.91 Data Sheet MJS-p-0058

Fowler, Long-Scale, 1943

Serial Number or Date Stamp: 16827

Country: UK Primary construction material: ss Case included?: yes

General Description: Basic circular simple slide rule

Length of 1 decade = 30 in, and overall scale length = 30 in. The largest physical dimension is 3 in.

Front Scales: C C1 C2 C3 C4 C5 C6

Back Scales: C CI L R1 R1 S T ST

Notes: very nice specimen; nickel-plated felt-lined box

References: JOS v7.2 (1998); Peter Hopp, Fowler Gallimaufry 2nd Edition (2021)

Date Acquired: 11/14/2019