Lot 281 , Four scientific instruments, consisting; a set of apothecaries steel balance scales, by Charles de Grave, 59, St. Martin’s le Grand…London; a set of three small drawing compasses, leather cased; a prismatic compass, by S

Four scientific instruments, consisting; a set of apothecaries steel balance scales, by Charles de Grave, 59, St. Martin’s le Grand…London; a set of three small drawing compasses, leather cased; a prismatic compass, by Stanley, London, in a 8.5cm dia. case with hinged lid, and a box pocket sextant, by Stanley, London, number 8638, 7.8cms. dia., (4)
£60-90