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About
Collection
Learning
The group
Visit us
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Science Museum
National Science and Media Museum
Science and Industry Museum
National Railway Museum
Locomotion
Science and Innovation Park
B.J. Hall and Co.
occupation:
Instrument manufacturer
Nationality:
British
Instrument manufacturer based in London & Birmingham.
Related Objects
Protractor & Scale (Protractor & Scale)
Hedley type mining dial by B. J. Hall and Co. (mining dial)
