Accession No

2011

Brief Description

optical pyrometer by Wanner, 4/4 19th C

Origin

Maker

Wanner

Class

optical

Earliest Date

1985

Latest Date

1900

Inscription Date

Material

wood; metal (oxidised brass); glass

Dimensions

length 335mm; breadth 110mm; height 185mm

Special Collection

Cavendish collection

Provenance

Transferred from Cavendish Laboratory, University of Cambridge, 1974.

Inscription

‘Pyrometer Wanner’ (degree circle)

Description Notes

Wooden stand with oil lamp at one end and cradle for eye-end of pyrometer at the other. Pyrometer consists of long black-painted white metal tube with degree circle at eye-end with brass scale divided 0 - 180˚, numbered by 10˚, subdivided to 1˚. Second arced brass scale for temperature beneath with unequal divisions between 240 and 2000.

Condition fair

References

Events