Mellor's patent lock nut and bolt
This image is released under a CC BY-NC-SA 4.0
Licence
Buy this image as a print
BuyLicense this image for commercial use at Science and Society Picture Library
LicenseMellor's patent 1884. Lock Nut and bolt 5/8 in diam
Science Museum Group
© The Board of Trustees of the Science Museum
Mellor's patent 1884. Lock Nut and bolt 5/8 in diam. (wire through nut and grooved into bolt)
