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.

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Fluid used for writing, printing or drawing, or painting. Ink was traditionally made with ground lamp black or some other colouring matter and a solution of glue or gum, then moulded into dry sticks or blocks to be mixed with water. Two basic types of ink are available. Waterproof inks dry to a glossy film which can be overlaid with another medium. Non-waterproof inks give an effect of diluted watercolour, drying to a matt finish.

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Tell us More about our silhouettes, photograph of Hubert Leslie, Silhouettist

Identify our Silhouettes

Join enthusiastic contributors who have already identified 155 sitters.

Help transcribe signatures

Tell us More about our Silvy sitters, photograph of Camille Silvy, photographer with boy

Tell us more about our Silvy sitters

Help us identify the sitters who visited Camille Silvy’s photographic studio during the 1860s.

Identify our sitters