or hearths opposite to each in the construction of spars and rigging are shown in which are provided adjusting screws, which termin- other. In the space between the two structures car- the accompanying illustration of a sailing vessel. The ate in flat swiveling heads or bearing plates. The riages… … and the gaffs of the mainsail and of the spinnakers, A RIM CLAMP FOR WHEELS. THE WETHEY PARALLEL CALCINING FURNACE. with auxiliary spars, sliding within suitable rings or sockets which are fixed near the ends of said gaffs and inwardly and lies in the same axis as the above-men- carrying rakes or…
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