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`Univex' light marker serial No. 74592

Manufactured by J Langham Thompson Limited, Bushey Heath, Hertfordshire. Adapted Polaroid Land camera back for oscilloscope and other instrument recording. Dallmeyer Oscillograph Anastigmat lens F:3.5, No 531930. Gauthier shutter 1-1/125 sec. B, T; helical focusing mount. No 410/107. B0279111 on hot shoe. Overall: 132 mm x 250 mm x 210 mm.

Thompson Land camera

Portex X-ray unit by Cuthbert Andrews Limited, Bushey, Hertfordshire, England, 1940-1964, (6 parts).

Portex X-ray unit by Cuthbert Andrews Limited

1940-1964

"Cardiff" automatic oxytocin infusion pump Mark 3, by Pye, English, with accompanying technical data, 1970-1975

"Cardiff" automatic oxytocin infusion pump Mark 3

1970-1975

Crookes railway tube

Crookes railway tube

1900-1948

Small cold-cathode x-ray tube with separate anode and anticathode

Cold-cathode x-ray tube

1900-1948

Pamphlet entitled'Integration of Freight Services by Road and Rail - a statement of policy' issued by British Transport Commission, London.

Pamphlet 'Integration of Freight Services....'

1950

Flight test or Wind tunnel measurement Pressure Transducer.

Pressure transducer

1960-1970

Crookes tube for demonstrating the repulsion between nearby beams of cathode rays

Crookes tube

1900-1948