Figure 5-14. Plumb bob, cord, and target
Figure 5-15. Optical plummet
e. Tape Clamp. There is usually a leather thong at each end of a tape that can be held when the
full length of the tape is used. When only part of the tape is used, the zero end can be held by the thong,
and the tape can be held at an intermediate point by means of a tape clamp (see Figure 5-16). These
scissor-type clamps grip the tape tightly without bending or damaging it. The tape clamps are especially
helpful when the tape needs to be pulled tightly. They make the tape easy to grip during measurements.
EN0591
5-14
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