Accession No

2549

Brief Description

spectrometer, by Adam Hilger, English, 1900 (c)

Origin

England; London

Maker

Adam Hilger

Class

optical

Earliest Date

1900

Latest Date

1900

Inscription Date

Material

metal (steel, silver, oxidised brass, brass); wood; glass

Dimensions

length 580mm; breadth 300mm; height 490mm

Special Collection

Provenance

Transferred from the Department of Chemistry, University of Cambridge, 1978.

Inscription

‘A. HILGER LONDON’
‘0.130’ (painted number on base)
‘0.130’ (painted number on central stage)
‘0.185’ (painted number on prism platform)

Description Notes

Table spectrometer. Slit with steel jaws, width adjustable by screw with head divided 0-10. Slit moved by rack and pinion, with 2 knurled screws, collimator with additional draw tube. Central circular stage, divided 0-360 by 1˚, subdivided to 20 minutes. Double silvered scale, outer giving position of telescope, inner of prism platform, both with silvered verniers. 2-stage platform for prism; upper stage removable part-oxidised brass platform with 3 levelling screws and arm and clamping screw for prism; lower stage rotated by knurled screw beneath. Metal surround for prism, with 2 aperture holes and wooden lid. Brass telescope with rack and pinion focus, clamp and tangent screws. Pillar and tripod stand with three levelling screws.

References

Events