Spectrometer – constant deviation

Spectrometer – constant deviation

About

This optical spectrometer is designed for use with a five-faced Pellin-Broca prism (shown in photo but not included in collection). The collimator and telescope are fixed for a deviation of 90º and the prism is turned by a calibrated micrometer drive to send different wavelengths into the telescope. Between the collimator and the prism is a table turned by a micrometer screw to accommodate an interferometer.

Link to Original Work

Details

Artist: Adam Hilger Ltd
Created: 1909
ID Number: BIRRC-P0304
Institution: Research and Cultural Collections
Named Collection: Collection of Historic Physics Instruments
Object Type: Optical instrument
Place Made: London
Materials: Lacquered brass tubes on heavy steel base
Measurements: 56 x 58 x 40 cm

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