Accession No

2543

Brief Description

spectrograph, by Adam Hilger Ltd., English, 1915 (c)

Origin

England; London

Maker

Adam Hilger Ltd.

Class

optical

Earliest Date

1915

Latest Date

1915

Inscription Date

Material

stone (quartz); metal (steel, brass); wood

Dimensions

length 605mm; breadth 287mm; height 379mm

Special Collection

Provenance

Transferred from the Department of Chemistry, University of Cambridge, Cambridge, England, 1980.

Inscription

‘ADAM HILGER LTD
LONDON’

Description Notes

Hilger’s quartz spectrograph. Adjustable slit with steel jaws, moved by knurled screw with drumhead divided 0-10. Sliding brass stop for adjusting height of slit. Brass collimator with one drawer. Central wooden box, polished brass maker’s plate. Brass telescope tube with wooden camera. Adjustment for photographic plate with bellows, clamp, arc graduated 0-20; vertical motion by 2 linked pinions and knurled screws with 10mm vertical steel scale, but actual housing for photographic plate is missing. Brass support beneath prism, on cast pillar and tripod stand, painted.

References

Events