. American stationary engineering; a practical work which begins at the boiler room and takes in the whole power plant. th, shell at water line; 5th, front and bottomof boiler. The thinning can usually be detected by examination, sound-ing with a round nosed hammer, or drilling small holes insasoected parts not otherwise accessible for examination. Maxims and Instructions. J13 EXAMPLES OFCONSTRUCTION AND DRAWING The small table at the left is of use in thisand the four succeeding pages; in all placesin the drawings where d is used it indi-cates the diameter of the rivet; t meansthe thickness o
. American stationary engineering; a practical work which begins at the boiler room and takes in the whole power plant. th, shell at water line; 5th, front and bottomof boiler. The thinning can usually be detected by examination, sound-ing with a round nosed hammer, or drilling small holes insasoected parts not otherwise accessible for examination. Maxims and Instructions. J13 EXAMPLES OFCONSTRUCTION AND DRAWING The small table at the left is of use in thisand the four succeeding pages; in all placesin the drawings where d is used it indi-cates the diameter of the rivet; t meansthe thickness of the plate; p stands forpUch. The table also shows the proportionof rivet to the plate—thus, a i-inch platerequires a t\ rivet, etc. It is recommended, in view of the in-creased disposition on the part of official examiners to test theapplicants knowledge of drawing, for any one interested, toredraw to a full size all the rivets, ])lates, and methods of join-ing the two contained on pages 113-116. ^ ^ ^ f fA vi %? S/S ^/>6 S//6 ^%6 7/s -^/y: jjf /V-s y/s /2 yf^6 / d = m\fi. OF = THIfiKNESSDF Pig. 58. Fig^ 64. The figures 53 to 60 will be tmderstood •without much expla-nation. In figures 53 and 54 ilie cup head, the conical head and panhead rivets are shown. Figs. 55 and 56 exhibit the details (and drawings) of singleand double riveting. Where the cut reads p=2|d, it meansthat the distance from the centre of one rivet to the centre of the next shall be 2^ the diameter of the rivet, see example, page 115. 114 Maxims and Instructions. CONSTRUCTION AND DRAWING.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectsteamen, bookyear1917
