Mould, Richard F.
A history of x-rays and radium with a chapter on radiationunits : 1895-1937 / by Richard F. Mould. - [London] : Pitman, 1976. - 100 p. : ill.
0617003556
Radium--History.
X-rays--Equipment and supplies--History.
A history of x-rays and radium with a chapter on radiationunits : 1895-1937 / by Richard F. Mould. - [London] : Pitman, 1976. - 100 p. : ill.
0617003556
Radium--History.
X-rays--Equipment and supplies--History.