This image is released under a CC BY-NC-SA 4.0 Licence
Buy this image as a print
License this image for commercial use at Science and Society Picture Library
Two Vislok Patent Safety Lock Nuts, viz: - (1) 1 No Science Museum Group © The Board of Trustees of the Science Museum
Two Vislok Patent Safety Lock Nuts, viz: - (1) 1" No.1 and (2) 3/8" No.5