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VII. A machine for founding the sea at any depth, or in any part, invented by Major Wm. Cock in the Year 1738. In a voyage to Georgia

1746; Royal Society; Volume: 44; Issue: 479 Linguagem: Inglês

10.1098/rstl.1746.0028

2053-9223

Wm. Cock,

Historical Astronomy and Related Studies

The Draught of this Machine is exhibited in Tab. II. Fig . I. wherein AAAA represent a Trunk of Timber, with a square Hollow, thro' the Centre of which passes the square Piece of Timber BB .