b.
Frame.c.Tip.d.Screw.

e.Crank.f.Slide.

g.

Dog.] [Illustration: Fig.177.Iron Handscrew, (Carriage-Maker's Clamp).] [Illustration: Fig.178.

Pinch-Dog.] B._Tools for holding other tools._ The _brace_ or _bit-stock_, Fig.