Accession No

2547


Brief Description

spectrometer, by Adam Hilger Ltd., English, 1920


Origin

England; London


Maker

Adam Hilger Ltd.


Class

optical


Earliest Date

1920


Latest Date

1920


Inscription Date


Material

metal (steel, brass, oxidised brass, cast iron); glass


Dimensions

length 640mm; breadth 440mm; height 379mm


Special Collection


Provenance

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


Inscription

‘ADAM HILGER LTD
LONDON, ENGLAND
NO D.2.303
20204’


Description Notes

‘Hilger Wavelength Spectrometer. Constant Deviation Type’ D.2. Slit with steel jaws, width adjustable by screw, drumhead divided 1-10, on draw tube. Brass collimator with second draw tube and lens on extended arm for focussing incident light. Prism on part-oxidised brass platform, held by arm with clamping screw, removable painted metal cover with two aperture holes. Brass telescope, focussed by knurled ring, sliding eyepiece. Stage rotated by screw with steel drum marked with wavelength of light being observed. Painted cast iron support with pillar and tripod stand.


References


Events


FM:44735

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