print. engraving, stipple. Sir Humphry Davy, Bart. INVENTOR OF THE SAFETY LAMP/ Roffe, Sculp. [London] J. Lunbird, Publisher, 143, Strand. [1822-] 22x13cm., image 8x9cm. Plate from a book.- Portrait, HL, seated, chin on hand ; below, outline drawing of miner's safety lamp. Portrait of Sir Humphry Davy 1778-1829, scientist. Roffe R. C. fl.1806-1835