Replica of Bell's 1876 centennial telephone transmitter, 1959
1959
Alarm clock
1840-1900
Mirror galvanometer for the transatlantic telegraph, 1858
1858
Cylindrical glass bottle of quinine sulphate
1860-1910
‘Medico-Electrical Machine’ by Nairne and Blunt
1782-1793
Wax model of a female human head, Germany, 1801-1900
1801-1900
Specimen of the first transatlantic telephone cable, deep sea type, 1956
1956
Experimental carbon pencil microphone, 1878-1890
1878-1890
Poured wax doll
circa 1900
Wax plaque showing a dissected female figure
1801-1830
Wax plaque of woman showing foetus in the womb
1801-1830
Waxed post-mortem thread
circa 2016
Experimental microphone, 1878-1890
1878-1890
Plaque showing the development of a human embryo
1801-1830
Wax plaque showing foetus in the womb
1801-1830
Cylindrical glass bottle containing cinchonidine
Wax plaque showing a dissected female figure
1801-1830
Hertzian receiving resonator, 1890-1894
1890-1894
Receiving ‘jigger’ used by the Marconi Company, 1899
1899
Amuletic loadstone with scalloped metal mounts
1551-1700
Clockwork interruptor, once owned by David Hughes, 1875-1880
1875-1880
Plaque showing the development of a human embryo
1801-1830
Modelling wax
1960s
Wax plaque showing a dissected female figure
1801-1830
Experimental microphone using steel needles and gas carbon, 1878-1890
1878-1890
Powdered graphite microphone, 1878-1890
1878-1890
Experimental carbon block microphone, 1878-1890
1878-1890
De Forest syntoniser, 1902-1907
1902-1907
Powdered graphite microphone, 1878-1890
1878-1890
Aerial inductances, 1901
1901
Granular microphone in bamboo tube, 1878-1890
1878-1890
Plaque showing the development of a human embryo
1801-1830
Experimental microphones with carbon pencils and cups, 1878-1890
1878-1890
Receiving ‘jigger’ used by the Marconi Company, 1898
1898
Granular microphone in glass tube, 1878-1890
1878-1890
Powdered graphite microphone, 1878-1890
1878-1890
Filings coherer, glass tube capped at ends, 1894-1904
1894-1904
Cell used in interruptor circuit, 1875-1890
1875-1890
Filings coherer, small glass tube with bulb at one end and cap of red sealing wax at other end, 1898
1898
Wax plaque showing a dissected female figure
1801-1830
Filings coherer, glass tube bent into U-shape at one end with bulb to form side-pocket on mounting bracket with terminals, 1894-1904
1894-1904
Front portion of heart from wax model of woman
1771-1800
One piece of broken sealing wax
1790-1819
One piece of sealing wax
1790-1819
Two wax casts, horses in relief
1790-1819
Intestines from wax anatomical figure of reclining woman
1771-1800
Sinew with muscle covering from wax anatomical figure
1771-1800
Stomach from wax anatomical figure of reclining woman
1771-1800
Uterus, showing placenta
1771-1800
Front wall of right side of heart from wax anatomical figure of reclining woman
1771-1800