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DescriptionFirst socket wrench.png English: Engraving of the first ratcheting socket wrench and two sockets, invented by J. J. Richardson and patented...(1,133 × 386 (42 KB)) - 15:45, 5 December 2022
File:Scientific American - Series 1 - Volume 011 - Issue 28.pdf (matches file content)direction, when the pin, L, which secures the loop gear, H, within its socket, comes in con D is a cup, which receives tial revolution of the loop...(1,593 × 2,302 (8.3 MB)) - 13:32, 21 April 2012
File:Scientific American - Series 1 - Volume 013 - Issue 04.pdf (matches file content)by means of the double-geared sector, G, in combination v e d k t�!���':��Png�d :�d ��::!t�g ��b��;�tix; � th� manner Bet forth. CAlmING ENGINES-Wm. H...(1,593 × 2,302 (6.6 MB)) - 12:53, 21 April 2012
