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Forty-five radiometers used to illustrate Sir W. Crookes' researches on the radiation of heat in high vacua

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.)

Forty-five radiometers used to illustrate Sir W. Crookes' researches on the radiation of heat in high vacua

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Crookes' Radiometer, 1872-1879

1872-1879

Crookes' Radiometer, 1872-1879

1872-1879

Crookes' Radiometer, 1872-1879

1872-1879

Crookes' Radiometer, 1877

1877

Crookes' Radiometer, 1872-1879

1872-1879

Crookes' Radiometer, 1872-1879

1872-1879

Crookes' Radiometer, 1877

1877

Radiometer, Sir W. Crooke's research

1872-1879

Crookes Radiometer to Illustrate his research, 1872-1879

1872-1879

Radiometer used to illustrate Sir W. Crooke's researches on radiation

1872-1879

Radiometer used to illustrate Sir W. Crooke's research

1872-1879

Radiometer used to illustrate Sir W. Crooke's research

1872-1879

Radiometer used to illustrate Sir W. Crooke's research

1872-1879

Crookes' Radiometer, 1872-1879

1872-1879

Crookes' Radiometer, 1876

1876

Crookes' Radiometer, 1872-1879

1872-1879

Crookes' Radiometer, 1872-1879

1872-1879

Crookes' Radiometer, 1872-1879

1872-1879

Crookes' Radiometer, 1878

1878

Radiometer used to illustrate Sir W. Crooke's researches on the radiation of heat in high vacua

1872-1879

Radiometer used to illustrate Sir W. Crooke's researches on radiation

1872-1879

Radiometer used to illustrate Sir W. Crooke's research

1872-1879

Radiometer used to illustrate Sir W. Crooke's researches on the radiation of heat in high vacua

1872-1879

Radiometer used to illustrate Sir W. Crooke's researches on the radiation of heat in high vacua

1872-1879

Radiometer used to illustrate Sir W. Crooke's research

1872-1879

Radiometer used to illustrate Sir W. Crooke's research

1872-1879

Radiometer used to illustrate Sir W. Crooke's research

1872-1879

Radiometer used to illustrate Sir W. Crooke's research

1872-1879

Radiometer used to illustrate Sir W. Crooke's researches on the radiation of heat in high vacua

1872-1879

Radiometer used to illustrate Sir W. Crooke's researches on the radiation of heat in high vacua: radiometer with cone-shaped vanes

Crookes' radiometer with cone-shaped vanes

1872-1879

Radiometer used to illustrate Sir W. Crooke's researches on the radiation of heat in high vacua: otheoscope (an instrument in which the driving surface is not the glass of the bulb but a disc within the instrument which becomes heated)

Crookes' radiometer, an otheoscope

1872-1879

Radiometer used to illustrate Sir W. Crooke's researches on the radiation of heat in high vacua: radiometer in which the vanes are inclined to the arms

Radiometer used to illustrate Sir W. Crooke's research

1872-1879

Radiometer used to illustrate Sir W. Crooke's researches on the radiation of heat in high vacua: radiometer with semi-cylindrical vanes

Radiometer used to illustrate Sir W. Crooke's research

1872-1879

Radiometer used to illustrate Sir W. Crooke's researches on the radiation of heat in high vacua: radiometer in which the source of heat is a platinum spiral inside the tube heated by an electric current

Radiometer used to illustrate Sir W. Crooke's research

1872-1879

Radiometer used to illustrate Sir W. Crooke's researches on the radiation of heat in high vacua: early form of radiometer

Radiometer used to illustrate Sir W. Crooke's research

1872-1879

Radiometer used to illustrate Sir W. Crooke's researches on the radiation of heat in high vacua: radiometer in which the vanes are coated with chromic acid and copper tungstate

Radiometer used to illustrate Sir W. Crooke's research

1872-1879

Radiometer used to illustrate Sir W. Crooke's researches on the radiation of heat in high vacua: lecture form of radiometer

Radiometer used to illustrate Sir William Crookes' research

1872-1879

Radiometer used to illustrate Sir William Crookes' researches on the radiation of heat in high vacua: radiometer with semi-cylindrical vanes, 1872-79.

Crookes' Radiometer, 1872-1879

1872-1879

Radiometer used to illustrate Sir William Crookes' researches on the radiation of heat in high vacua: pith-ball balance in air (the balls are attracted if a flame is brought near), 1872-79.

Crookes' Radiometer, 1872-79

1872-1879

Radiometer used to illustrate Sir W. Crooke's researches on the radiation of heat in high vacua: radiometer with very thin mica vanes

Radiometer used to illustrate Sir W. Crooke's research

1872-1879

Radiometer used to illustrate Sir W. Crooke's researches on the radiation of heat in high vacua: radiometer with thicker mica vanes

Radiometer used to illustrate Sir W. Crooke's research

1872-1879

Radiometer used to illustrate Sir W. Crooke's researches on the radiation of heat in high vacua

Radiometer, Sir W. Crooke's research

1872-1879

Radiometer used to illustrate Sir W. Crooke's researches on the radiation of heat in high vacua: early form of radiometer

Radiometer used to illustrate Sir W. Crooke's research

1872-1879

Radiometer used to illustrate Sir W. Crooke's researches on the radiation of heat in high vacua: early form of radiometer

Radiometer used to illustrate Sir W. Crooke's research

1872-1879

Radiometer used to illustrate Sir W. Crooke's researches on the radiation of heat in high vacua: radiometer in which the vanes are coated with persulphocyanogen and copper oxalate

Radiometer used to illustrate Sir W. Crooke's research

1872-1879

Radiometer used to illustrate Sir W. Crooke's researches on the radiation of heat in high vacua: early form of radiometer

Radiometer used to illustrate Sir William Crookes' research

1872-1879