CAMBRIDGE SCIENTIFIC INSTRUMENT CO. ELECTRIC TUNING FORK Cambridge, England, 19th Century HeightEldred's4.8(486)$200(1 bid)1 day Left
CASED LACQUERED BRASS AMSLER INTEGRATOR OR PLANIMETER Late 19th/Early 20th Century Case heightEldred's4.8(486)$1251 day Left
CASED W. & S. JONES BRASS PANTOGRAPH London, Circa 1820 Case height 4". Width 21". Depth 5".Eldred's4.8(486)$1251 day Left
