Blank greetings card with envelope featuring:

Sir Henry Bessemer NPG x45593

© National Portrait Gallery, London

by London Stereoscopic & Photographic Company

Sir Henry Bessemer developed the first process for inexpensively mass-producing steel. The son of an engineer, Bessemer gained experience in his father's workshop where he demonstrated considerable mechanical skill and inventiveness early in life. In 1855, Bessemer took out a patent for his process of rendering cast iron malleable by the introduction of air into the fluid metal. During the Crimean War he invented a new type of artillery shell after complaints from the army that the cast-iron cannon of the time were not strong... more

Card size: 125mm x 175mm

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