Accession No

1860

Brief Description

grain scales, by Dollond, English, 1st quarter 19th Century

Origin

England; London

Maker

Dollond

Class

balances

Earliest Date

1800

Latest Date

1825

Inscription Date

Material

metal (brass, steel); wood (ebony, boxwood, one other); paper

Dimensions

Special Collection

Heywood collection

Provenance

Purchased from the Professor Harold Heywood collection under estate duty exemption benefit with the assistance of a Science Museum grant-in-aid.

Inscription

‘Dollond. London’ (flat half beam)
‘Lbs Per
Bushel’ (counterweight)
‘DIRECTIONS FOR THE IMPROVED POCKET CHONDROMETER’ (label in lid of box)

Description Notes

Unequal steel half-beam with swan’s neck-end and self-locating steel knife-edge in ‘U’ shaped bearing. Brass half-beam graduated [21] - [79] by 10 to 1 with sliding brass counterweight. Cylindrical brass bucket with steel hook. Bearing on turned brass pillar and circular base. Boxwood and ebony striker. Fitted wooden box with label in lid giving details of marketable grains.

Condition good; complete

References

Events