Hammer break interrupter
- Made:
- London
- maker:
- W Watson and Sons
This image is released under a CC BY-NC-SA 4.0
Licence
License this image for commercial use at Science and Society Picture Library
LicenseHammer break interrupter, by W
Science Museum Group
© The Board of Trustees of the Science Museum
Hammer break interrupter, by W. Watson & Sons, 313 High Holborn, London, England.
Details
Related Objects
Post Office box marked "Silvertown IV, No.1991 1915"
Post office box Mk. IV no.916
