Excise Officer's slide rule

Excise Officer's slide rule, 1" x 5/8" x 12", with two sliders on opposite faces, engraved "T.C." on stock under one of the sliders

Details

Category:
Mathematics
Object Number:
1962-199
Materials:
box (wood)
Measurements:
overall (flat, closed): 18 mm x 318 mm x 26 mm, 0.112 kg
type:
slide rule (excise)
credit:
Brooks, R.P.