• Subject is exactly "Kirwan, Richard, 1733-1812"
RDS_treasures_174_Hamilton_Richard Kirwan.jpg
Richard Kirwan, Irish geologist and chemist. The subject depicted full length, frontal profile, seated next to a desk in a dark interior, holding a journal in his right hand, wearing a dark coat and breeches, a black top hat and brown cloak. in the…

RDS_treasures_0410.001_Parker_Burning glass.jpg
"Unsigned - attributed to William or Samuel Parker. PyH 1110; HsDs 450 & 250. 1784-1803 (bought 1812). F. Kirwan’s; double; mahogany tripod foot, turned pillar and lens housings; latter on semi-circular iron bracket. The large and small lens…