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Duddell oscillograph by Cambridge Instrument Co.

Duddell oscillograph by Cambridge Instrument Co.

1927
Blondel moving-iron oscillograph, coils and casing only

Blondel moving-iron oscillograph, coils and casing only

1900
Matthews' type oscillograph, 1928

Matthews' type oscillograph, 1928

1928
Duddell single element portable field oscillograph

Duddell single element portable field oscillograph

1903
Projection oscillograph unit

Projection oscillograph unit

1927
Motor driven oscillograph unit with "linear sweep" mirror

Motor driven oscillograph unit with "linear sweep" mirror

1925
Electrostatic oscillograph

Electrostatic oscillograph

1925
Oscillograph, Cambridge Instrument Co. No. L 28466

Oscillograph, Cambridge Instrument Co. No. L 28466

1930
Twin element permanent magnet oscillograph in box

Twin element permanent magnet oscillograph in box

1910
Cathode ray oscillograph

Cathode ray oscillograph

Duddell double permanent magnet oscillograph

Duddell double permanent magnet oscillograph

1905
Original Duddell single loop oscillograph, 1897

Original Duddell single loop oscillograph, 1897

1897
Duddell double high-frequency oscillograph

Duddell double high-frequency oscillograph

1904
Six-element oscillograph

Six-element oscillograph

1950
Oscillograph

Oscillograph

1970-1990
Bell and Howell oscillograph type 5-137 P9-12

Bell and Howell oscillograph type 5-137 P9-12

1970-1986
Oscillograph

Oscillograph

1940-1960
Accessories for oscillograph in wooden box

Accessories for oscillograph in wooden box

1970-1986
Remote control unit for oscillograph

Remote control unit for oscillograph

1970-1986
Motor driven oscillograph shutter

Motor driven oscillograph shutter

1900
Four Element Portable Oscillograph

Four Element Portable Oscillograph

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

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

1915
Irwin hot-wire oscillograph (Andrews & Brown)

Irwin hot-wire oscillograph (Andrews & Brown)

Early form of Duddell Oscillograph no.45

Early form of Duddell Oscillograph no.45

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

mechanical oscillograph

Cossor single beam oscillograph model 1058

Cossor single beam oscillograph model 1058

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
Cossor portable mains oscillograph, about 1934

Cossor portable mains oscillograph, about 1934

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

Cathode Ray Oscillograph model 1049

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

Cossor double beam oscillograph model 1035

Blondel bifilar oscillograph, 1893

Blondel bifilar oscillograph

1893
Duddell's double oscillograph

Duddell's Double Oscillograph, with Mirror, Baseboard and Accessories

1898
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 oscillograph model 339B

Cossor oscillograph model 339B

Cathode Ray OSCILLOGRAPH with one spare set of tubes and schematic

Cathode Ray OSCILLOGRAPH

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

SP direct writing oscillograph

No. 4224-A cathode ray oscillograph

No. 4224-A cathode ray oscillograph

Oscillograph, Cambridge Instrument Co. No. L 13882

Oscillograph, Cambridge Instrument Co. No. L 13882

1925
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.)

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

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

Cathode ray oscillograph type 74330A

1940
AEI Pen Oscillograph Mk III

AEI Pen Oscillograph Mk III

Spare oscillograph unit serial no. 5987, made by Honeywell Ltd., c. 1950

Spare oscillograph unit serial no. 5987

1950
One VRO 6 dry-write recording oscillograph.

One VRO 6 dry-write recording oscillograph

Spare oscillograph unit serial no. 1277, made by new Electric Products Ltd., London, c. 1950

Spare oscillograph unit serial no. 1277

1950
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, Cambridge Instrument Co. No. L 13881

Oscillograph, Cambridge Instrument Co. No. L 13881

1925