Mechanical counter for fluid meters, 1881.

Three Excise Officer's slide rules, (boxwood), 2 about 1 feet long, and the third 9" long, each rule has four slides, one on each face of the rule

Details

Category:
Mathematics
Object Number:
1905-115
Materials:
boxwood
type:
slide rule (excise)
credit:
Major-General H.P. Babbage

Parts

Slide rule (excise)

Slide rule (excise)

One of three Excise Officer's slide rules, each rule has four slides, one on each face of the rule

Object Number:
1905-115/1
type:
slide rule (excise)
Slide rule (excise)

Slide rule (excise)

One of three Excise Officer's slide rules, each rule has four slides, one on each face of the rule

Object Number:
1905-115/2
type:
slide rule (excise)
Slide rule (excise)

Slide rule (excise)

One of three Excise Officer's slide rules, each rule has four slides, one on each face of the rule

Object Number:
1905-115/3
type:
slide rule (excise)