. Spons' dictionary of engineering, civil, mechanical, military, and naval; with technical terms in French, German, Italian, and Spanish . 1806 HAND-TOOLS. is of peculiar construction. It is seen plainly in Fig. 3466. The nut is in two halves, A, whichslide in a dovetail slot cut across a circular bed-piece B. The whole is covered by the cap, , and the half nuts are moved to or from the screw by a pin or screw in each projecting intosemi-spiral slots A in the top of the cap. Pins on the lower portion of this cap are seated into anannular channel on the boss of B, Fig. 3466, so that the
. Spons' dictionary of engineering, civil, mechanical, military, and naval; with technical terms in French, German, Italian, and Spanish . 1806 HAND-TOOLS. is of peculiar construction. It is seen plainly in Fig. 3466. The nut is in two halves, A, whichslide in a dovetail slot cut across a circular bed-piece B. The whole is covered by the cap, , and the half nuts are moved to or from the screw by a pin or screw in each projecting intosemi-spiral slots A in the top of the cap. Pins on the lower portion of this cap are seated into anannular channel on the boss of B, Fig. 3466, so that the cap may be turned without lifting fromplace. This combined nut and cap is held in place in the stock E, when the machine is in use, bya thumb-screw H, Fig. 3465, that fits in an annular groove on the shank of the circular bed-pieceor block B, Fig. 3466. 3467.
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Keywords: ., bookcentury1800, bookdecade1870, bookidsp, booksubjectengineering
