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

The wedge. See [Section 37].

The screw is simply a circular inclined plane. See [Section 78].

See also Gearing, [Sections 40] and [84].

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Section 54.—MIXING AND INCORPORATING.

[998]. Kneading mill, with spiral vanes.

[999]. Pug mill, with radial spiral paddles revolving inside a conical case.

[1000]. Pug mill, with spiral paddles.

[1001]. Pan mixer. A cylindrical case or pan with a set of arms revolving with the central shaft.

[1002]. Egg beater or mixing machine. Two sets of open radial frames revolve in opposite directions, the frames being shaped to pass through each other, and are driven by mitre gear driving a shaft and sleeve.