Painting. [Joseph Burch] (1825-1898) / Charles Duval, 1860. Oil on canvas; 84 x 68.5 cm. Signed and dated blc, CA Duval Manchester 1860. Inscription painted lower verso of canvas: No.4 Portrait of Joseph Burch Inventor. Painted for Museum of Patents London by CA Duval Essex St Manchester. Portrait, HS slightly to L

This portrait formed part of the Bennet Woodcroft Bequest, which was among the founding collections of the Science Museum. Woodcroft had developed a 'National Gallery of Portraits of Inventors, Discoverers and Introducers of the Useful Arts’ combining gifts, loans and purchases of portraits, while acting as the first curator of the Patent Museum.