[2016]. Basement crane, projected diagonally upward when in use. The winch is a fixed one.

[2017]. Loophole crane, projected horizontally when in use by a handrope gear working a pinion and rack, or by a chain wound upon a barrel.

[Larger plate.]

[2018]. Travelling wharf crane to span a railway.

Section 20.—COMPENSATING AND BALANCE WEIGHTS.

(See also [p. 54].)

[2019]. Balance for a suspended light, lamp or similar article, allowing it to be raised or lowered while the balance weight only travels half the distance, and is therefore twice the weight of the articles balanced.

[2020]. Balance box. The cover is made as heavy as the box.