
© National Portrait Gallery, London
Unknown man formerly called Robert Boyle
by William Holl Sr, or by William Holl Jr, after Unknown artist
stipple engraving, published 1833
14 7/8 in. x 10 3/8 in. (378 mm x 264 mm) plate size; 19 1/2 in. x 13 1/2 in. (494 mm x 342 mm) paper size
Purchased with help from the Whitin Fund, 1954
NPG D32053


