Duddell oscillograph by Cambridge Instrument Co.
1927
Irwin hot-wire oscillograph (Andrews & Brown)
Blondel moving-iron oscillograph, coils and casing only
1900
Matthews' type oscillograph, 1928
1928
Duddell single element portable field oscillograph
1903
Electrostatic oscillograph
1925
Four Element Portable Oscillograph
Oscillograph, Cambridge Instrument Co. No. L 28466
1930
Projection oscillograph unit
1927
Motor driven oscillograph unit with "linear sweep" mirror
1925
Twin element permanent magnet oscillograph in box
1910
Cathode ray oscillograph
Duddell double permanent magnet oscillograph
1905
Original Duddell single loop oscillograph, 1897
1897
Duddell double high-frequency oscillograph
1904
Six-element oscillograph
1950
Motor driven oscillograph shutter
1900
Irwin oscillograph, Patent No.8, Robert W. Paul
1915
Early form of Duddell Oscillograph no.45
Bell and Howell oscillograph type 5-137 P9-12 with remote control and wooden box
1970-1986
mechanical oscillograph
Oscillograph set No. 74300-A by Standard Telephones & cables Ltd.
Modular cathode ray oscillograph
1956-1979
Two-channel pen oscillograph by Southern Instruments Ltd., 1950-1974
1950-1974
Double wire-loop oscillograph for studying the waveforms of electrical oscillations
1950-1974
Cossor single beam oscillograph model 1058
Cossor portable mains oscillograph, about 1934
Blondel bifilar oscillograph
1893
Cathode Ray Oscillograph model 1049
2 VRO 6 dry-write recording oscillographs
1963-1964
Cossor double beam oscillograph model 1035
Duddell's Double Oscillograph, with Mirror, Baseboard and Accessories
1898
Cossor oscillograph model 339B
Cathode Ray OSCILLOGRAPH
SP direct writing oscillograph
Cathode ray oscillograph type 74330A
1940
cathode ray oscillograph equipment
No. 4224-A cathode ray oscillograph
Oscillograph tracing desk (without lantern) by the Cambridge Scientific Instrument Co. Ltd.
1909
Oscillograph, Cambridge Instrument Co. No. L 13882
1925
Duddell Oscillograph E. 166 (Cambridge Instrument Co.)
Oscillograph, Cambridge Instrument Co. No. L 13881
1925
S.T.C. cathode ray oscillograph, type M.S. 3306-1
1930