John Browning, 63 Strand, London

Multi-prism Automatic Laboratory Spectroscope c. 1875

John Browning, 63 Strand, London. Multi-prism Automatic Laboratory Spectroscope

John Browning, 63 Strand, London. Multi-prism Laboratory Spectrometer

John Browning, 63 Strand, London. Multi-prism Laboratory Spectroscope

The arrangement of the four prisms relative to the telescope is automatically adjusted through a series of levers for minimum deviation at the observed frequency. For storage the spectroscope is provided with a mahogany case.

 

John Browning Spectroscopes

The following excerpt is from The Popular Science Review, H. Lawson Ed., 1871

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