Duddell oscillograph by Cambridge Instrument Co.
1927
Blondel moving-iron oscillograph, coils and casing only
1900
Matthews' type oscillograph, 1928
1928
Duddell single element portable field oscillograph
1903
Irwin hot-wire oscillograph (Andrews & Brown)
Motor driven oscillograph unit with "linear sweep" mirror
1925
Projection oscillograph unit
1927
Four Element Portable Oscillograph
Electrostatic oscillograph
1925
Twin element permanent magnet oscillograph in box
1910
Oscillograph, Cambridge Instrument Co. No. L 28466
1930
Duddell double permanent magnet oscillograph
1905
Original Duddell single loop oscillograph, 1897
1897
Duddell double high-frequency oscillograph
1904
Six-element oscillograph
1950
Cathode ray oscillograph
Motor driven oscillograph shutter
1900
Bell and Howell oscillograph type 5-137 P9-12
1970-1986
Oscillograph
1940-1960
Oscillograph
1970-1990
Accessories for oscillograph in wooden box
1970-1986
Remote control unit for oscillograph
1970-1986
Irwin oscillograph, Patent No.8, Robert W. Paul
1915
Early form of Duddell Oscillograph no.45
Modular cathode ray oscillograph
1956-1979
Bell and Howell oscillograph type 5-137 P9-12 with remote control and wooden box
1970-1986
Two-channel pen oscillograph by Southern Instruments Ltd., 1950-1974
1950-1974
mechanical oscillograph
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
Cathode Ray Oscillograph model 1049
Blondel bifilar oscillograph
1893
Cossor double beam oscillograph model 1035
Duddell's Double Oscillograph, with Mirror, Baseboard and Accessories
1898
2 VRO 6 dry-write recording oscillographs
1963-1964
Cossor oscillograph model 339B
Oscillograph set No. 74300-A by Standard Telephones & cables Ltd.
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
AEI Pen Oscillograph Mk III
Spare oscillograph unit serial no. 5987
1950