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Hertz wave detector

Lead peroxide detector

National tubular detector complete

X-ray detector

Ansell firedamp detector (patented 1865)

Treonic Fistula Monitor for Dialysis Patients

1965-1970

Bell fitter's detector by G.E.C.

1916

Lyman-alpha ray detector as carried in satellite Ariel

Linesman's detector

1893

Apparatus for simulating Martian atmospheric pressure, made by James Lovelock

1960-1969

Non-radioactive electron capture detector designed by James Lovelock

circa 1980s

Professor Ernest Wilson's magnetic detector, very early form, 1897

Magnetic detector, used by Professor Ernest Wilson, 1897

1897

Position-sensitive detector with pressure container by SIRA Instruments Ltd., flight spare for X-ray astronomy satellite Exosat

Position-sensitive detector with pressure container

Marconi magnetic detector, serial number 53481, together with glass-topped cover

Marconi magnetic detector

LKB Uvicord III detector unit and control unit model 2089, from Dr.E. Tuddenham's factor VIII research lab, at The Royal Free Hospital, by LKB Produkter AB, S-161 26 Bromma, Sweden, 1975-1985.

LKB Uvicord III detector unit and control unit model 2089

1975-1985

A multi - faceted directional illuminated detector used in assessing illumination intensity in guided weapon and space research at the R.A.E.

Multi-faceted directional illuminated detector

1955-1975

Ball coherer or detector, Branly collection. Other numbers are A182851 and B3934.

Ball coherer or detector

Detector mobile movable contacts, Branly collection. Other numbers are A182848 and B384/B3841.

Detector mobile movable contacts

Scintillation detector, c. 1960-1975

Scintillation detector, c. 1960-1975

1960-1975

Spiralarm Type M automatic gas detector, maker: J.H. Naylor, Wigan, marking: makers name and object name, 1951

Spiralarm Type M automatic gas detector

Sir David Salomon's leak detector by Elliott Bros, London, measuring 0 - 10,000 ohms, set on wooden block

Sir David Salomon's leak detector