Accession No

2802

Brief Description

miner’s dial, by Henry Barrow and Company, English, 1870 (c)

Origin

England; London; 26 Oxendon Street; and England; Birmingam; 43 Colmore Row

Maker

Henry Barrow and Company J. A. Reynolds and Company Ltd.

Class

surveying

Earliest Date

1870

Latest Date

1870

Inscription Date

Material

metal; oxidised brass; brass; white metal; glass; steel; wood; cloth; felt

Dimensions

compass dial 144mm; telescope length 215mm

Special Collection

Provenance

Purchased from Sotheby’s Belgravia, London, England; lot 254, 20/11/1981.

Inscription

‘Henry Barrow & Co.
26 Oxendon St.
LONDON.
I
3148’ (compass face)
‘CIRCUMFERENTER’ (paper label on front of case)
‘J.A. Reynolds & Co. Ltd.
MAKERS OF
Surveying Instruments,
43, Colmore Row,
BIRMINGHAM.
Works - 44 & 45 SUFFOLK STREET.’ (paper label in lid of case)

Description Notes

Silvered compass in oxidised brass surround with 8-point compass rose; degree circle on base divided [0] - [90] - [0] - [90] - [0], numbered by 10; raised degree circle divided [0] - 360˚, numbered by 10˚, graduated to 1˚; Vernier measuring to 3´; steel needle; glass plate over all. Pair of orthogonal bubble levels outside compass. Detachable slit and window sights. Detachable cogged certical arc divided 60 - 0 - 60, marked ‘Diff of Hypo. & Base’; other side has degree scale divided 90˚ - 0 - 90˚, numbered by 10˚, graduated to 1˚ with vernier to 3´. Telescope mounted over vernier arm, moved by pinion over cogged arc; telescope can be inverted, has cross hairs, rack and pinion focus moving objective and lens cover.
Fitted wooden box containing three pointed feet and trade label in lid.

Condition good; complete

References

Events