Polarimeter, with sodium lamp and transformer (serial no. 470509)
1955-1960
Polarimeter, with sodium lamp and transformer (serial no. 470509), 15 glass sample tubes, a metal sample tube, and a sodium lamp bulb, by Bellingham & Stanley Ltd, London, 1955-1960
1955-1960
1955-1960
1955-1960
1955-1960
1955-1960
1955-1960
1955-1960
1955-1960
1955-1960
1955-1960
1955-1960
1955-1960
1955-1960
1955-1960
1955-1960
1955-1960
1955-1960
1955-1960