Model of Chambers' Signal Interlocking Frame
c.1912
Track recorder
1910
Anatomical model of the spine
1901
Thornton-Pickard Amber camera
circa 1897
Novelty model
1955; 1830
Aerial inductances, 1901
1901
Steljes ABC type printing telegraph receiver No. 477
1895-1910
Experimental form of Marconi Company magnetic detector, 1900-1910
1900-1910
Replica of the first Morse telegraph, 1835
1934
Billi condenser used for aerial tuning in Newfoundland, 1901
1901
X-ray tube
1895-1899
Clay tobacco pipe decorated with bust of Edward VII and Queen Alexandra
1900-1910
National Cash Register co model 422X cash register
circa 1910
Walnut and brass model of the "Great Paris Telescope"
1898-1900
Glass necklace worn to prevent bronchitis, Greenwich, London, 1914
1914
Poster for Magni & C. Vicenza, printed by G Ricordi & C Milano c1900
circa 1900
Glass necklace worn to prevent bronchitis, Chelsea, London, England, 1914
1914
Travelling tea case in leather case
1895
Vertical Compound Steam Engine with Hackworth's Valve Gear, 1898
1898
Bicycle Carrying Case for No. 4 Cartridge Kodak Camera
1892-1902
Electric Flat Iron, 1895-1905
1895-1905
Selector switch, 1903
1903
Five-line single cord switchboard, 1900-1909
1900-1909
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
Sample of four-core telegraph cable connecting Vancouver Island with the mainland
1904
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
Receiving ‘jigger’ used by the Marconi Company, 1899
1899
Experimental model of Marconi's magnetic detector, 1900-1910
1900-1910
Filings coherer, Lodge pattern, 1895-1900
1895-1900
Morse tape on which signals were recorded by means of a coherer, 1900
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, narrow-bore glass tube, 1894-1904
1894-1904
Filings coherer, small glass tube with bulb at one end, 1894-1904
1894-1904
Experimental transmitting ‘jigger’ used by the Marconi Company, 1899
1899
'Italian Navy' detector, 1899-1901
1899-1901
Filings coherer, glass tube with side-pocket attached to mounting bracket, 1894-1904
1894-1904
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