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Hollerith 45 column horizontal electrical sorting machine, 1920-1930

Hollerith 45 column horizontal electrical sorting machine, 1920-1930

1920-1930
Hollerith key punch, model 20, 1909-1932

Hollerith key punch, model 20, 1909-1932

1909-1932
Pram, Letchworth, England, 1901-1970

Pram, Letchworth, England, 1901-1970

1901-1970
Ectonustim 3 ECT machine with scalp electrodes, English, 1958-1965.

Ectonustim 3 ECT machine with scalp electrodes, English, 1958-1965.

1958-1965
Crash test dummy, England, 1980

Crash test dummy, England, 1980

1980
"0-2" Bench Micrometer

"0-2" Bench Micrometer

1944
'Resilia' Electrical Temperature (Pyrometer) Indicator, 1924

'Resilia' Electrical Temperature (Pyrometer) Indicator, 1924

1924
Balanced bridge thermometer indicator Mark 2C

Balanced bridge thermometer indicator Mark 2C

1957
Electrical temperature indicator

Electrical temperature indicator

1956
The Yorkshire Coast

The Yorkshire Coast

Compound pendulum in fitted wooden box

Compound pendulum in fitted wooden box

1926
Sigma mechanical comparator fitted with a perspex cover to reveal workings and with the original instrument cover; complete with an inspection fitting on the instrument platform; dated 1940 to 1950.

Sigma mechanical comparator

1940-1950
Fixed focus radiation pyrometer, temperature indicator, by Foster Instrument Co. Ltd., Letchworth, England, 1950. Temperature range 700-1400°C, temperature indicator in mahogany case with glass display cover.

Photo-Electric Radiation Pyrometer (Temperature Indicator), 1950

1950
Sigma Instruments thickness gauge, 1951 stored in a box and fitted with a inspection fitting for measuring screw thread acceptibility. Purchased from Plessey Records in 1951.

Sigma Instruments thickness gauge

1951
Fosteronic electronic continuous balance circular scale temperature indicator (serial No. E10088) by Foster Instrument Co. Ltd., Letchworth, Hertfordshire, England 1960. For use with nickel-wound resistance thermometer.

Fosteronic Pyrometer Indicator, 1960

1960
Trophy designed for the Queen Elizabeth Prize for Engineering, 2013

2013 Queen Elizabeth Prize for Engineering trophy

2023
Oral history recording; Expanding National Archive of Railway Oral History; Ken Bird; childhood; family life; sport; railway clubs; BRSA; pubs/drinking; work culture and relationships; conditions at work; depots; marshalling yards; changes in the railway industry; unions; signalman; British Rail; privatisation; ethnic minorities; 1950s; 1960s; 1970s; 1980s; 1990s; 2000s; Stratford; Cudworth; Barnsley; Crofton; Wakefield; York; Healey Mills; Southend; London; Tilbury; Teeside; Yarm; Liverpool Street; West Ham; Fenchurch Street

Bird, Ken

2006-08-23
Early example of a Sigma mechanical comparator with workings visible. Made 1945-1955

Early example of a Sigma mechanical comparator

circa 1940
Bench micrometer, 0-2" range, made by Sigma instrument Co. in 1954.

Bench micrometer

1954
Trophy awarded to the winners of the 2023 Queen Elizabeth Prize for Engineering, Andrew Blakers, Martin Green, Jianhua Zhao and Aihua Wang, for their work on PERC photovoltaic technology.

2023 Queen Elizabeth Prize for Engineering trophy

2023
Trophy designed for the Queen Elizabeth Prize for Engineering, 2019

2019 Queen Elizabeth Prize for Engineering trophy

2022
Sigma Instruments thickness gauge, 1951.

Sigma Instruments thickness gauge

1951
Portable potentiometer model 3155-DPW serial no. 68561 scale no.2235, by the Foster Instrument Co. Ltd., Letchworth, Herts, England, calibrated for e.m.f. (0-20 and 0-60mV), thermocouple temperature (various), resistance (0-60 and 0-600 ohms), and as a potential source. (Slightly damaged)

Portable potentiometer model 3155-DPW serial no. 68561 scale no.2235

1960-1970