Blank greetings card with envelope featuring:

Baron Kelvin with his brother and sister NPG 1708(a)

© National Portrait Gallery, London

by Agnes Gardner King

Professor of Natural Philosophy, Glasgow, for over fifty years and a dominant figure in nineteenth-century physics; famous for many researches, notably in electro- and thermodynamics; introduced absolute temperature scale, its unit being named in his honour.

Card size: 125mm x 175mm

Images are printed in their original proportions, within a white border.