Lucernal microscope using the large box as a stand, by W. & S. Jones, 30 Holborn, London, after Adams, c. 1800. Lucernal microscope using the large box as a stand 1790-1810
Apothecary's balance with steel beam and brass pans, in rectangular wooden box with 2 weight compartments, with 20 assorted weights, made by Young and Son, 5 Bear Street, London, England, 1750-1850. Apothecary's balance with steel beam and brass pans 1750-1850
Davis' mid C19 magneto-electric therapy machine, handcranked, by Burnap of Lowell, Mass., supplied by Mathews, London, U.S.A., 1860-1880 Davis' mid C19 magneto-electric therapy machine 1860-1880
Late 19th century upright Davis magneto-electric therapy apparatus, hand-cranked Late 19th century upright Davis magneto-electric therapy apparatus