Ribs and chocks in merchant ships mb-width 3107 Blackpool Tower with people sitting

Blackpool Tower with people sitting on Blackpool Beach LAFjan05 January 1st Building of the famous Blackpool Tower in England is completed 1894

View of Cannon Street Station with street scene including horse drawn carriages in the foreground

volume 2 (London

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Ribs and chocks in merchant ships mb-width 3107 Blackpool Tower with people sittingPlate 8 figures 1 2 from the paper 'On a new principle of constructing ships in the mercantile navy', by Robert Seppings, Philosophical Transactions of the Royal Society, vol. 110 (1820), pp. 133 143. Two illustrations showing the curvature of timber and a chock or wedge piece positioned to join a vessel's rib. Original: ink on paper. 1820