Accession No

1919

Brief Description

lenticular element, by W. Ladd and Company, English, 4/4 19th Century

Origin

England; London

Maker

W. Ladd and Company

Class

optical

Earliest Date

1875

Latest Date

1900

Inscription Date

Material

metal (brass, lead, oxidised brass); glass

Dimensions

height 400mm; breadth 130mm; base diameter 110mm

Special Collection

Cavendish collection

Provenance

Transferred from the Cavendish Laboratory, University of Cambridge in 1974.

Inscription

‘W. LADD & CO
LONDON’ (base)

Description Notes

Lenticular element (cylindrical section) set in oxidised brass mount on adjustable brass stand with brass-covered lead base. Mount is set in pivots so that it can rotate about a horizontal axis.

Condition fair; compelte.

References

Events