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 ofa sailing vessel. The ate in flat swiveling heads or bearing plates. The riages… … LL 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 plow blades for stirring and moving booms. These spars are adjusted by…
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