Accession No

4100


Brief Description

arc lamp, by E. Leitz, German, 1/4 20th Century


Origin

Germany; Wetzlar


Maker

E. Leitz


Class

optical


Earliest Date

1900


Latest Date

1925


Inscription Date


Material

metal (cast iron, at least three other types); glass; graphite; plastic (at least two types)


Dimensions

length 375mm; breadth 125mm; height 343mm


Special Collection

Cambridge Instrument Company Collection


Provenance

Donated by the Cambridge Instrument Company.


Inscription

‘E. LEITZ
WETZLAR’


Description Notes

Rectangular cast iron base supports pillar on which the main instrument can rotate. Mounted on the top of the pillar is the main box for the arc lamp, with a graphite rod set horizontally so that passes into an igniting chamber; its position can be altered a knurled plastic knob. Chimney for release of gases. Front cylinder with lens in mount which can be adjusted by knurled plastic screw.

Condition poor; incomplete (?)


References


Events


FM:44371

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