Accession No

1162

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, silver); wood (walnut); cloth (velvet, silk)

Dimensions

hydrometer length 94mm; maximum diameter 26mm box length 126mm; breadth 57mm; height 42mm

Special Collection

Provenance

Purchased from V. Greensmith, 15-16 King Street, London, in 1952.

Inscription

‘J LONG’ (side of scale)
‘P’ (at top of side of scale)
‘P51˚’ (other side of scale)
‘22203 SIKES’
‘SIKES’S
Pocket Hydrometer
Made by
Josh Long.
Little Tower Stt
LONDON’ (silver plaque on lid of box)

Description Notes

Brass Sikes hydrometer with nine weights present . Weights marked ‘JL’ and with serial number.
Walnut case; brass hinges and pushbutton fastener. Lined with blue velvet and discoloured red silk.

Condition good; incomplete (top weight (?) and the thermometer missing)

References

Events