Metal cylinder with adjustable aperture at one end

Metal cylinder with adjustable aperture at one end, part of spectroscope, made 1850-1924 (Wellcome No. B1066)

Details

Category:
Optics
Collection:
Sir Henry Wellcome's Museum Collection
Object Number:
1997-1934
Materials:
brass (copper, zinc alloy), steel (metal) and aluminium (metal)
Measurements:
overall (standing vertical): 54 mm x 42 mm x 30 mm, 0.05kg
type:
spectroscope
credit:
Wellcome Trustees