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Cathode ray oscillograph

Twin element permanent magnet oscillograph in box

1910

Oscillograph, Cambridge Instrument Co. No. L 28466

1930

Motor driven oscillograph unit with "linear sweep" mirror

1925

Electrostatic oscillograph

1925

Matthews' type oscillograph, 1928

1928

Blondel moving-iron oscillograph, coils and casing only

1900

Duddell oscillograph by Cambridge Instrument Co.

1927

Motor driven oscillograph shutter

1900

Irwin oscillograph, Patent No.8, Robert W. Paul

1915

Duddell double permanent magnet oscillograph

1905

Irwin hot-wire oscillograph (Andrews & Brown)

Early form of Duddell Oscillograph no.45

Duddell double high-frequency oscillograph

1904

Projection oscillograph unit

1927

Original Duddell single loop oscillograph, 1897

1897

Duddell single element portable field oscillograph

1903
Oscillograph, Cambridge Instrument Co. No. L 13882

Oscillograph, Cambridge Instrument Co. No. L 13882

1925
Cossor single beam oscillograph model 1058

Cossor single beam oscillograph model 1058

Duddell Oscillograph E. 166 (Cambridge Instrument Co.), complete with current elements No. 28462; 28465 & 28477; Electrostatic element No.30994; Drum Camera E.164; continuous Camera E.165

Duddell Oscillograph E. 166 (Cambridge Instrument Co.)

Six-element oscillograph, by the Cambridge Instrument Co. Ltd., serial no. L-307188, complete with viewing apparatus and drum camera

Six-element oscillograph

1950
Two-channel pen oscillograph, type 942C, serial no. 577, fitted with two pen units type M940B, serial nos. 593 and 715, but without pens, by Southern Instruments Ltd., Camberley, Surrey, England, 1950-1974

Two-channel pen oscillograph by Southern Instruments Ltd., 1950-1974

1950-1974
2 VRO 6 dry-write recording oscillographs, 1963-4. 32x52x18 cm. Probably by Dresser-Sie Inc.

2 VRO 6 dry-write recording oscillographs

1963-1964
Cossor portable mains oscillograph, about 1934

Cossor portable mains oscillograph, about 1934

SP direct writing oscillograph, type No. RG 32-12/15, s/n SPR 159

SP direct writing oscillograph

Cossor double beam oscillograph model 1035, less viewing hood and graticule

Cossor double beam oscillograph model 1035

Cathode Ray Oscillograph model 1049, by A.C. Cossor Ltd.

Cathode Ray Oscillograph model 1049

Cathode ray oscillograph type 74330A, made by Standard Telephones & Cables Ltd., c.1940

Cathode ray oscillograph type 74330A

1940
Oscillograph, Cambridge Instrument Co. No. L 13881

Oscillograph, Cambridge Instrument Co. No. L 13881

1925
S.T.C. cathode ray oscillograph, type M.S. 3306-1

S.T.C. cathode ray oscillograph, type M.S. 3306-1

1930
mechanical oscillograph made by Cambridge Instrument Company Limited. Three element type with motor rheostat and stand.

mechanical oscillograph

Cossor oscillograph model 339B

Cossor oscillograph model 339B

Cathode Ray OSCILLOGRAPH with one spare set of tubes and schematic

Cathode Ray OSCILLOGRAPH

Modular cathode ray oscillograph, type 031.801, by Unilab, comprising cathode ray tube unit, power supply unit, and two electromagnetic deflection units

Modular cathode ray oscillograph

1956-1979
Bell and Howell oscillograph type 5-137 P9-12, by Bell and Howell Ltd., Electronic Instruments Division, Basingstoke, England, with remote control unit and accessories

Bell and Howell oscillograph type 5-137 P9-12 with remote control and wooden box

1970-1986
Double wire-loop oscillograph for studying the waveforms of electrical oscillations, by Leybold, c.1960

Double wire-loop oscillograph for studying the waveforms of electrical oscillations

1950-1974
Oscillograph set No. 74300-A by Standard Telephones & cables Ltd., consisting of: Oscillograph unit; Linear time base; A.C. mains unit

Oscillograph set No. 74300-A by Standard Telephones & cables Ltd.

No. 4224-A cathode ray oscillograph

No. 4224-A cathode ray oscillograph

four element portable oscillograph; near complete, looks to have missing parts near its motor. Controls are on the side. Manufactured by Metropolitan Vickers

Four Element Portable Oscillograph

Oscillograph tracing desk (without lantern) by the Cambridge Scientific Instrument Co. Ltd., Cambridge, England, no.8094

Oscillograph tracing desk (without lantern) by the Cambridge Scientific Instrument Co. Ltd.

1909
Duddell's double oscillograph

Duddell's double oscillograph, with mirror, baseboard and accessories

1898
Blondel bifilar oscillograph, 1893

Blondel bifilar oscillograph

1893
cathode ray oscillograph equipment, comprising:- mains unit. linear time base unit. microphone unit. oscillograph unit. plus extra burnt-out tube to show construction.

cathode ray oscillograph equipment