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

[1802]. Ventilated twisted handle.

[1803] & [1804]. Loop handles.

[Larger plate.]

[1805]. Spring lock lever handle.

[1806]. “Coffee pot” handle.

See also [Section 48].

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Section 98.—APPARATUS FOR DRAWING CURVES.

See Gearing, [Section 40]; Ellipsograph, [Section 34].