Accession No

2765

Brief Description

planimeter, by William Ford Stanley, English, 1888 (c)

Origin

England; London; Holborn; Great Turnstile

Maker

Stanley, William Ford

Class

calculating; drawing

Earliest Date

1888

Latest Date

1888

Inscription Date

1888

Material

metal (steel); wood; hide (leather); cloth (velvet)

Dimensions

length 240mm; box length 275mm; breadth 50mm; height 35mm

Special Collection

Provenance

Transferred from Department of Botany, University of Cambridge, Cambridge, England, 03/09/1981.

Inscription

‘Stanley, Great Turnstile, Holborn, London’ (instrument)
‘G.U. YULE
UNIV: COLL:
1888’ (box)

Description Notes

Leather-covered fitted wooden box lined with blue velvet.
White metal planimeter with fixed arm and mobile arm, each with point at the end away from the hinge. Knurled screws for adjustment of the moveable arm, one with drumhead scale and type-B vernier. Tracing arm engraved 1 dcm/0.1 f/2000 m 1:500/10 in/ 0.5 dcm/ 1000 m 1:500. Values for conversion between metric and imperial units and between scaled maps and actual measurements given on arms of instrument.
Separate drumhead weight sits on mobile arm.

Condition good; complete.

References

Events