Small interference apparatus for showing colour bands

Made:
1850-1911 in Europe

Small interference apparatus for showing colour bands, unsigned, European, 1850-1911. Consists of two flat reflection gratings, ruled on glass, in rotatable brass cylindrical mounts so that each surface is parallel.

Details

Category:
Optics
Object Number:
1911-192
Materials:
brass (copper, zinc alloy) and glass
Measurements:
overall: 18 mm 46 mm, .094kg
type:
interference apparatus
credit:
Court, Thomas Henry