The Gallery holds the most extensive collection of portraits in the world. Search over 215,000 works, 150,000 of which are illustrated from the 16th Century to the present day.

Gravure

A printing method in which printing is done from a plate etched with a pattern of recessed cells in which the ink is held. The greater the depth of a cell, the greater the intensity of the printed ink. Gravure plates are expensive to make, but the process is economical for high-volume printing and reproduces illustrations well.

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Albert Grey, 4th Earl Grey
by The Autotype Company, after John Singer Sargent
(1910)
NPG D20767

Sir Edmund William Gosse
by The Autotype Company, after Frank Dicksee
(1912)
NPG D20806

H.G. Wells
after Sir David Low
circa 1920-1928
NPG D4735

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