Standard pressure test gauge in case, marked "John Dewrance & Co., London

Made:
London
A standard pressure test gauge in case, marked John Dewrance & Co., London''

A standard pressure test gauge in case, marked John Dewrance & Co., London''
Science Museum Group
© The Board of Trustees of the Science Musuem

A standard pressure test gauge in case, marked "John Dewrance & Co., London"

Details

Category:
Motive Power
Object Number:
1991-416
credit:
Wellcome Trust