Hand spectroscope

 

Rayner
Black lacquered brass diffraction grating hand spectroscope (length 10,5 cm) with 6 positions for the selection of the slit achieved by turning the eyepiece. in its black leather covered hinged case lined with green velvet and foam rubber
Signed: Rayner, ca 1950.

private collection

Hand spectroscope - Rayner diffraction grating spectroscope

Hand spectroscope - Rayner diffraction grating spectroscope

Hand spectroscope - Rayner diffraction grating spectroscope