Crookes' Radiometer, 1872-79
1872-1879
Forty-five radiometers used to illustrate Sir W. Crookes' researches on the radiation of heat in high vacua. (Forty-six at the time of donation, but No. 41 borken in 1903 and written off.)
1872-1879
1872-1879
1872-1879
1872-1879
1872-1879
1872-1879
1872-1879
1872-1879
1872-1879
1872-1879
1872-1879
1872-1879
1872-1879
1872-1879
1872-1879
1872-1879
1872-1879
1872-1879
1872-1879
1872-1879
1872-1879
1872-1879
1872-1879
1872-1879
1872-1879