. The record. ermittingthe catch portion, of said catch-block, to pass over the intermit-tently actuated arm or lever 7, without coming in contact therewith,See Figure 7. Upon the end 22, of the rock-arm, reaching its extreme fromright to left position (shown by position C, Fig. 8), it is reversed to,from left to right, when the frictional resistance of the pin 6 andthe frictional spring 77, holds the rear end of the catch-block, whilethe pin 3 slides from the rear end to the front end of the slot40, thus pulling the catch-portion of the catch-block down intocatch-position, shown by position D


. The record. ermittingthe catch portion, of said catch-block, to pass over the intermit-tently actuated arm or lever 7, without coming in contact therewith,See Figure 7. Upon the end 22, of the rock-arm, reaching its extreme fromright to left position (shown by position C, Fig. 8), it is reversed to,from left to right, when the frictional resistance of the pin 6 andthe frictional spring 77, holds the rear end of the catch-block, whilethe pin 3 slides from the rear end to the front end of the slot40, thus pulling the catch-portion of the catch-block down intocatch-position, shown by position D, Fig. 8, after which the ope ra-tions of opening, releasing, etc., are repeated. The closing of the steam admission valve without shock or jar,is affected by the compression pot 14 and its piston 13, because, thesteam pressure on the upper end of the rod 12 is a. certain quantity,say 100 pounds, and the area of the compression pol |>is(on L3 issuch that the total pressure of the compressed air or fluid, at. 7 6 ^ c T0-J)/f/S£ O goVErt/VOF?


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Keywords: ., bookcentury1800, bookdecade1890, bookpublisherwashingtondc, booky