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

[766]. Hook with rope grip.

[767]. Snap hook.

[768]. Snap link.

[769]. Slip hook for a monkey or pile engine; a rope is attached to the eye in end of lever which pulls the loop link away from the bottom link to which the “monkey” is suspended, allowing it to fall.

[Larger plate.]

[770]. Automatic slip hook; slips the T end of the “monkey” by the curved arms striking the sides of a fixed stop hole.

[771]. Draw bar hook, self-locking.

[772]. Fixed bar hook, with snap.

[773]. Slip hook.