Indiana University Libraries Book Repair Manual
Hammer/Punch
This combination of tools is used for making the holes for the rivets in phase boxes. The hammer is an ordinary clawhammer. The punch is a "No. 2 hollow punch" and is tapered to a diameter of 1/8" at the tip. The punch, used alone, is also handy for removing the cloth from the holes of cloth-covered post binders, when the boards have been drilled prior to covering.
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