TM 9-243Chapter 11 PLUMB BOBSHOW TO CHOOSE AND USE THEMThe “Types and Uses” pages provide you with a list ofthe more common types of plumb bobs. These pagesshould help you select the right plumb bob for the job.The “Using Plumb Bobs” pages tell you how to use asteel plumb bob to establish the true vertical of a squarepost. By becoming familiar with this procedure you willbuild a good background for using other plumb bobs.The “Care” page tells you how to keep your plumb bobsin proper condition.INDEXItemPageTYPES AND USES. . . . . . . . . . . . . . . . . .11-2Surveyor’s Polished Brass. . . . . . . . . . . . 11-2Solid Steel . . . . . . . . . . . . . . . . . . . . . . . . . .11-2USING. . . . . . . . . . . . . . . . . . . . . . . . . . . . .11-3CARE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11-611-1
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