The engineer's sketch-book of mechanical movements, devices, appliances, contrivances and details employed in the design and construction of machinery for every purpose

by Thomas Walter Barber

[2097]. Screw cramp.

[2098]. Screw cramp. Another form.

[2099]. Capstan drill or cutter head, for lathe or boring machine. The head revolves diagonally, and may have sockets for several tools to follow each other in succession in operating on a piece of work.

[2100]. Adjustable tool box.

[2101]. Spanner, with adjustable jaw.

[2102]. Spring taper socket, with sliding ring.

[2103]. Toothed V grip for chucks, &c.

[2104]. Toothed V grip. Another form, with alternate vees.

[2105]. Simplest form of V grip for parallel cylindrical articles.