Experimental enquiry concerning the natural powers of wind and water to turn mills and other machines depending on a circular motion. And An experimental examination of the quantity and proportion of mechanic power necessary to be employed in giving different degrees of velocity to heavy bodies from a state of rest. Also New fundamental experiments upon the collision of bodies. With five plates of machines.

Goldsmiths'-Kress no. 16657.1.

Power wagon reference book.

Editor: 1919- S.A. Phillips.

Development of the agricultural tractor in the United States,

A limited ed. was compiled and printed by the Agricultural Engineering Research Branch, Agricultural Research Service in 1954.

The Tractor field book, with power farm equipment specifications.

Title varies slightly.