Pocket spectroscope with adjustable slit
Direct vision pocket spectroscope with adjustable slit, made by Adam Hilger Ltd., London, c.1910.
- Object Number:
- 1971-254 Pt1
Direct vision pocket spectroscope with adjustable slit, in metal case, made by Adam Hilger Ltd., London, c.1910.
Direct vision pocket spectroscope with adjustable slit, made by Adam Hilger Ltd., London, c.1910.
Copper-plated brass case for direct vision pocket spectroscope with adjustable slit, Adam Hilger Limited, London, c.1910.