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

[774]. Hook, with mousing ring; slip hook.

[775]. Crane hook, with swivel.

[776]. Double swivel links, inserted in a chain to take out the twist.

[777]. Triangular link, to attach two chains to one.

[778]. Safety link. Has a flat on link to slip in notch of hook.

[779]. S link.

[780]. Split link.

[781]. Bolt shackle.

[782]. Double link and bolt connection for ordinary chain.

[783]. Pin shackle.