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Using a Plumb Bob - Continued - 14256_56
Care of Plumb Bobs

Tools And Their Uses - Hand tools and what they are used for
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TM 9-243 USING A PLUMB BOB - Continued 7 Have  the  assistant  measure  distance  (7)  from  post to  string  just  above  the  plumb  bob.  It  should  read  2 inches.  If  it  doesn’t,  move  the  base  or  the  top  of  the post right or left until you get a 2-inch reading on both   rules. When extreme accuracy is desired, measurement would be taken to the point of the plumb bob (8). Repeat steps 5, 6, and 7 on side 2. 11-5







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