Arithmometer by Elliott Brothers
1885-1894
Electric Flat Iron, 1895-1905
1895-1905
Arsenical cobalt or skutterudite, from Skutterude, near Modum, Norway
before 1889
Light-bulb, filament, carbon
About 1890
Marine thermometer by Negretti and Zambra
1890
Revolution of constant negative curvature
1910
Early model wooden-case comptometer by Felt and Tarrant Manufacturing Co.
1887-1903
Selector switch, 1903
1903
Single-lens Cine Camera by Louis Le Prince
1888
Crossley table telephone, 1879
1879
Bell telephone, mahogany case, 1878
1878
A T & T national telephone directory, October 1896
1896
Strowger automatic telephone, 1901-1910
1901-1910
Table instrument with dial, 1903
1903
National Telephone Company directory, 1898-1899
1898-1899
Strowger calling dial, 1906
1906
Filings coherer, glass tube with side pocket mounted on cylindrical rod with brass screw terminals at ends, 1894-1904
1894-1904
Coherer with coarse brass turnings, 1894
1894
Marconi coherer and Admiralty pattern decoherer, 1900-1910
1900-1910
Filings coherer, glass tube containing powdered copper, bulb at one end, 1894-1904
1894-1904
Filings coherer, Lodge pattern with two wires inserted into bulb at one end, 1894-1904
1894-1904
Steljes ABC type printing telegraph receiver No. 477
1895-1910
Hand perforator and copy stand for Wheatstone automatic telegraph system, 1890-1910
1890-1910
Filings coherer, Lodge pattern, 1895-1900
1895-1900
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
Filings coherer, glass tube almost of taper shape, 1894-1904
1894-1904
Filings coherer, Lodge-Muirhead system, 1900-1910
1900-1910
Letter opener with calendar and map, 1893-1894
1893-4
Filings coherer, glass tube formed into T-shape at one end and bent round into U-shape at other end with bulb, 1899
1899
Coherer, ebonite, with adjustable contacts, 1890-1896
1890-1896
Coherer, narrow-bore glass tube, 1894-1904
1894-1904
Filings coherer, small glass tube with bulb at one end, 1894-1904
1894-1904
Spiral spring coherer, 1890-1894
1890-1894
'Italian Navy' detector, 1899-1901
1899-1901
Filings coherer, glass tube with side-pocket attached to mounting bracket, 1894-1904
1894-1904
Replica of the first Morse telegraph, 1835
1934
Filings coherer, Lodge-Muirhead system, 1900-1910
1900-1910
Filings coherer, glass tube curved into near U-shape at one end with coil winding at other end, 1894-1904
1894-1904
Coherer, with several needles in contact with crystal, 1894-1904
1894-1904
De Forest syntoniser, 1902-1907
1902-1907
Filing coherer, glass tube, fitted on to mounting bracket with terminals, 1894-1904
1894-1904
Filings coherer, Lodge-Muirhead system, 1900-1910
1900-1910
Filings coherer, small glass tube with bulb at one end and cap of red sealing wax at other end, 1898
1898
Filings coherer, glass tube bent into U-shape at one end, 1894-1904
1894-1904
Mystery watch by Armand Schwob & Frère
1900
Portrait of the Reverand Henry Nelthropp MA, FSA (1820 – 1901)
1896
Gold watch with tourbillon by Girard Perregaux
1879
Ring transformer, 1892
1892
English lever escapement watch with Karrusel by S Smith and Son
1897
Enamel watch depicting the Virgin and Child
1880