Blank greetings card with envelope featuring:

‘Scientists’ NPG Ax132901

© National Portrait Gallery, London

published by Hughes & Edmonds

Prolific inventor; made many improvements to telegraphs, and contributions to acoustics and electrical science; Professor of Experimental Physics, Kings College, London, for 40 years, but disliked teaching and never gave any lectures; also invented the stereoscope, the concertina and the polar clock.

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Card size: 125mm x 175mm

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