1851 Great Exhibition: Official Catalogue: Class IX.: James Alexander Whitfield
From Graces Guide
68. WHITFIELD, JAMES ALEXANDER, Pelaw Staith, near Gateshead — Inventor.
Improved grappling or dredging-iron, for drawing from the water, the bodies of persons apparently drowned.
The improvement consists in its passing over in the same time, four times the space which the present irons pass over. Should the hooks become fastened at the bottom of the river, they will straighten. The hanging-chain with the hooks will detect a body lying behind a rock or large stone. It is made to take into pieces, so that it can be easily repaired.
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