Accession No

2531

Brief Description

spectrometer / spectrograph, presented to the Chemical Laboratory, University of Cambridge, by Thomas Andrews F.R.S., by Adam Hilger, English, 1900

Origin

England; London

Maker

Adam Hilger

Class

optical

Earliest Date

1900

Latest Date

1900

Inscription Date

1900

Material

metal (silver, brass, cast iron); glass; stone (quartz)

Dimensions

length 720mm; breadth 520mm; height 450mm

Special Collection

Provenance

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

Inscription

‘A. HILGER LONDON’ (on camera)
‘PRESENTED TO
THE CHEMICAL LABORATORY
UNIVERSITY OF CAMBRIDGE
BY
Thomas Andrews F.R.S.
FEBRUARY 1900
“TRULY THE LIGHT IS SWEET” (ECCLESIASTES. XI.7)’ (plate on base)

Description Notes

Collimator (slit missing), with two draw tubes - one sliding adjustment, the other by rack and pinion, both with longitudinal scales. Central circular stage, silvered scale on rim divided 0-360 by 1˚, subdivided to 15’. Three verniers, two for prism platform, rotated by knurled screw, one for telescope, moved by tangent screw, with clamp. Two-stage prism platform, upper stage detachable, with three levelling screws. Telescope with camera, focus by knurled screw beneath. Inclination of plate adjustable by knurled screw, with scale divided 70-0-67 by 1˚. Eyepiece mount. All mounted on cast iron base with three levelling screws and separate brass feet. Prism stand, arm, clamp and composite prism (quartz). Second quartz prism.

References

Events