Betterment briefs : a collection of published papers on organized industrial efficiency (1909)
Jacobs, Henry William, 1874- · New York : John Wiley · leaf 101
FIG. 48—BALL-JOINT REAMER FOR FACING STEAM AND DRY-PIPE JOINTS TOSTANDARD RADIUS. THE BLADES ARE GROUND TO STANDARD SHAPE AND INSERTED IN THE BODY OF THE REAMER, AND IT WILL BE NOTED THAT THEY ARE OPPOSITELYPLACED THOUGH UNEQUALLY SPACED TO AVOID CHATTERING OF THE REAMER. 90 Betterment Briefs. … B/odcs Spaced Irregularly Wtft CuttingEdjea Diamctricai/y Opposed 16 B/odea of Too/ Steel FIG. 40—ELEVATION AND SECTION OF BALL-JOINT REAMER, SHOWING THEDETAIL OF CONSTRUCTION. THIS REAMER FINISHES ALL STEAM AND DRY-PIPEJOINTS TO STANDARD RADIUS WITHOUT CHATTERING, WHICH THE USUAL REAMERWILL NOT DO.
Railroads -- Equipment and supplies · Locomotives -- Maintenance and repair · Railroads -- Repair-shops
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