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Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise on the care and management of steam engines, boilers and electric machinery (1922)

Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & company · leaf 405

An illustration from Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise on the care and management of steam engines, boilers and electric machinery, 1922, leaf 405
from edge to edge, as at A. Then 392 Steam Engineering A—B-f-2=the outside lap. For instance^ A=8.5 in., B=6.5 in. Then 8.5—6.5=2, and 2 divided by 2=1 in.,which is the lap. The inside lap should also be measuredat this point for convenr-ence, and the measurements pre-served for future reference.… … - Fig. 134 difference by 2. For instance^, the distance F is 4 in., and 4—3 E is 3 in.; then =.5 in., making the inside lap y^ in. 2To place the valve central, measure the width of theoutside lap each way from the outside edges of the steamports and mark the points on the valve seat with a…

Steam engineering · Electrical engineering · Steam-turbines

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