Saxton's Magneto-Electrical Machine made by J. Newman, Regent Street, London, length 1' 10 13/20" x 1' 7 7/10" Saxton's magneto-electric machine, 1833-1857.
Thermometer for measuring temperatures at depth at sea, with bimetallic element, based on a design by Breguet and made by Joseph Saxton, instrument maker to the US Coast Survey, United States, about 1848. Thermometer with bimetallic element for measuring temperature at depth at sea, by Joseph Saxton
