Accession No

0770

Brief Description

Sikes hydrometer, by Joshua Long, English, 1/2 19th Century

Origin

England; London; 20 Little Tower Street

Maker

Long, Joshua

Class

physics; metrology

Earliest Date

1808

Latest Date

1850

Inscription Date

Material

metal (brass, white metal, silver); wood; fishskin (rayskin); cloth (velvet)

Dimensions

height 96mm; maximum diameter 26mm box length 119mm; breadth 52mm; height 39mm

Special Collection

Robert Whipple collection

Provenance

Purchased from T. H. Court on 20/01/1935.

Inscription

‘Long London’ (side of scale)
‘P’ (at top of side of scale)
‘P51˚’ (other side of scale)
‘8893 SIKES’
‘SIKES’S
HYDROMETER
By J. Long.
N20 Little Tower Street
LONDON’ (silver plaque on lid of box)

Description Notes

Brass Sikes hydrometer with top weight and four weights present (30, 40, 60, 80) - five missing. Weights marked ‘JL’ and with serial number.
Wooden case covered with green rayskin; white metal hinges and pushbutton and hook fasteners. Case coming apart at one corner.

Condition good; incomplete (some weights and the thermometer missing)

References

Events