Clockwork motor and shutter assembly from Dobson Spectrophotometer

maker:
R and J Beck
Clockwork motor and shutter assembly from Dobson Spectrophotometer

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Clockwork motor and shutter assembly from Dobson Spectrophotometer, no.7, c.1930's. Made by R & J Beck Ltd and used by the Meteorological Office, with six metal recording discs, candles and candle holder

Details

Category:
Meteorology
Object Number:
1992-693
Materials:
metal (unknown) and plastic (unidentified)
type:
instrument component and spectrophotometer
credit:
Meteorological Office, Bracknell

Parts

Metal recording discs from a clockwork motor and shutter assembly from Dobson Spectrophotometer

Metal recording discs from a clockwork motor and shutter assembly from Dobson Spectrophotometer

Three metal recording discs from a clockwork motor and shutter assembly from Dobson Spectrophotometer, no.7, c.1930's. Made by R & J Beck Ltd and used by the Meteorological Office.

Measurements:
overall: 1 mm 160 mm,
Materials:
metal (unknown)
Object Number:
1992-693 Pt1
type:
instrument component and spectrophotometer
Image ©
The Board of Trustees of the Science Museum
Clockwork motor and shutter assembly from Dobson Spectrophotometer

Clockwork motor and shutter assembly from Dobson Spectrophotometer

Clockwork motor and shutter assembly from Dobson Spectrophotometer, no.7, c.1930's. Made by R & J Beck Ltd and used by the Meteorological Office.

Measurements:
overall: 210 mm x 253 mm x 382 mm,
Materials:
metal (unknown) and plastic (unidentified)
Object Number:
1992-693/2
type:
instrument component and spectrophotometer
Image ©
The Board of Trustees of the Science Museum
Metal candle holder from a clockwork motor and shutter assembly from Dobson Spectrophotometer

Metal candle holder from a clockwork motor and shutter assembly from Dobson Spectrophotometer

Metal candle holder from a clockwork motor and shutter assembly from Dobson Spectrophotometer, no.7, c.1930's. Made by R & J Beck Ltd and used by the Meteorological Office.

Measurements:
overall: 232 mm 129 mm,
Materials:
metal (unknown)
Object Number:
1992-693/3
type:
instrument component and spectrophotometer
Image ©
The Board of Trustees of the Science Museum
Metal recording discs from a clockwork motor and shutter assembly from Dobson Spectrophotometer

Metal recording discs from a clockwork motor and shutter assembly from Dobson Spectrophotometer

Six metal recording discs from a clockwork motor and shutter assembly from Dobson Spectrophotometer, no.7, c.1930's. Made by R & J Beck Ltd and used by the Meteorological Office.

Materials:
metal (unknown)
Object Number:
1992-693/4
type:
instrument component and spectrophotometer
Image ©
The Board of Trustees of the Science Museum