Ridsdale's revolving chromometer for testing low carbon steel

Made:
circa 1886 in England
maker:
C H Ridsdale
Ridsdale's revolving chromometer for testing low carbon steels;

Creative Commons LicenseThis image is released under a CC BY-NC-SA 4.0 Licence

Buy this image as a print 

Buy

License this image for commercial use at Science and Society Picture Library

License

Ridsdale's revolving chromometer for testing low carbon steels;
Science Museum Group
© The Board of Trustees of the Science Museum

Ridsdale's revolving chromometer for testing low carbon steels; with photograph shown with the apparatus.

Details

Category:
Metallurgy
Object Number:
1886-90
type:
chromometer and photograph
credit:
Robson, Mr. J.C.