Radar apparatus used by R.Watson Watt in 1935

Made:
1935 in England
Apparatus used by R Watson Watt in February 1935 for the detection of radio echoes from aircraft. From a colour Apparatus used by R Watson Watt in February 1935 for the detection of radio echoes from aircraft. From a colour Apparatus used by R.Watson Watt in February 1935 for the detection of radio echoes from aircraft. Apparatus used by R.Watson Watt in February 1935 for the detection of radio echoes from aircraft. Apparatus used by R.Watson Watt in February 1935 for the detection of radio echoes from aircraft. Apparatus used by R.Watson Watt in February 1935 for the detection of radio echoes from aircraft. Apparatus used by R.Watson Watt in February 1935 for the detection of radio echoes from aircraft. Apparatus used by R.Watson Watt in February 1935 for the detection of radio echoes from aircraft. Apparatus used by R.Watson Watt in February 1935 for the detection of radio echoes from aircraft. Apparatus used by R.Watson Watt in February 1935 for the detection of radio echoes from aircraft. Apparatus used by R.Watson Watt in February 1935 for the detection of radio echoes from aircraft. Apparatus used by R.Watson Watt in February 1935 for the detection of radio echoes from aircraft. Apparatus used by R.Watson Watt in February 1935 for the detection of radio echoes from aircraft. Apparatus used by R.Watson Watt in February 1935 for the detection of radio echoes from aircraft. Apparatus used by R.Watson Watt in February 1935 for the detection of radio echoes from aircraft. Apparatus used by R.Watson Watt in February 1935 for the detection of radio echoes from aircraft. Apparatus used by R.Watson Watt in February 1935 for the detection of radio echoes from aircraft. Original Radar Receiver with Sir Robert Watson-Watt. Black & white image, taken in 1957, from the Science Museum Original Radar Receiver with Sir Robert Watson-Watt. Black & white image, taken in 1957, from the Science Museum Original Radar Receiver 1935. Black & white image, taken in 1957, from the Science Museum Photographic Archive. Original Radar Receiver 1935. Black & white image, taken in 1957, from the Science Museum Photographic Archive.

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Apparatus used by R Watson Watt in February 1935 for the detection of radio echoes from aircraft. From a colour
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Apparatus used by R Watson Watt in February 1935 for the detection of radio echoes from aircraft. From a colour
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Apparatus used by R.Watson Watt in February 1935 for the detection of radio echoes from aircraft.
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Apparatus used by R.Watson Watt in February 1935 for the detection of radio echoes from aircraft.
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Apparatus used by R.Watson Watt in February 1935 for the detection of radio echoes from aircraft.
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Apparatus used by R.Watson Watt in February 1935 for the detection of radio echoes from aircraft.
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Apparatus used by R.Watson Watt in February 1935 for the detection of radio echoes from aircraft.
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Apparatus used by R.Watson Watt in February 1935 for the detection of radio echoes from aircraft.
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Apparatus used by R.Watson Watt in February 1935 for the detection of radio echoes from aircraft.
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Apparatus used by R.Watson Watt in February 1935 for the detection of radio echoes from aircraft.
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Apparatus used by R.Watson Watt in February 1935 for the detection of radio echoes from aircraft.
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Apparatus used by R.Watson Watt in February 1935 for the detection of radio echoes from aircraft.
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Apparatus used by R.Watson Watt in February 1935 for the detection of radio echoes from aircraft.
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Apparatus used by R.Watson Watt in February 1935 for the detection of radio echoes from aircraft.
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Apparatus used by R.Watson Watt in February 1935 for the detection of radio echoes from aircraft.
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Apparatus used by R.Watson Watt in February 1935 for the detection of radio echoes from aircraft.
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Apparatus used by R.Watson Watt in February 1935 for the detection of radio echoes from aircraft.
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Original Radar Receiver with Sir Robert Watson-Watt. Black & white image, taken in 1957, from the Science Museum
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Original Radar Receiver with Sir Robert Watson-Watt. Black & white image, taken in 1957, from the Science Museum
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Original Radar Receiver 1935. Black & white image, taken in 1957, from the Science Museum Photographic Archive.
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Original Radar Receiver 1935. Black & white image, taken in 1957, from the Science Museum Photographic Archive.
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Radar apparatus for the detection of radio echoes from aircraft, used by Robert Watson-Watt in February 1935, with seven metal storage boxes, England, United Kingdom

This receiver, originally used at the UK National Physical Laboratory for measurements on the ionosphere, was employed by Robert Watson-Watt (1892-1973) in the first convincing demonstration of radar.

The experiment took place in a field in Northamptonshire on 26 February 1935. While a Heyford bomber flew to and fro at 1524 m (5000 ft) in the beam from the BBC Empire Short-Wave transmitter at nearby Daventry, Watson-Watt studied a flickering trace on a cathode-ray tube. Deflections of the trace when the bomber was 13 km (8 miles) away confirmed his belief that distant aircraft could be detected from their radio reflections.

Details

Category:
Radio Communication
Object Number:
1957-90
Measurements:
overall: 1000 mm x 600 mm x 1540 mm,
type:
radar equipment
credit:
Department of Scientific & Industrial Research