The writer has drawn freely from the material found in the above periodicals and trade journals, but wishes to acknowledge the greater bulk of information in writing this paper received from the various truck salesmen and truck operators who were interviewed personally. Without their assistance, the gathering of this information would have been impossible.


Publications of the Engineering Experiment Station
University of Washington

Bulletin No. 1—Creosoted Wood Stave Pipe and Its Effect Upon Water for Domestic and Irrigational Uses. 1917.
(Bureau of Industrial Research.)20 pp. Price, 25 cents.
Bulletin No. 2—An Investigation of the Iron Ore Resources of the Northwest. By William Harrison Whittier. 1917.
(Bureau of Industrial Research.)128 pp. Price, 60 cents.
Bulletin No. 3—An Industrial Survey of Seattle. By Curtis C. Aller. 1918.
(Bureau of Industrial Research.)64 pp. Price, 50 cents.
Bulletin No. 4—A Summary of Mining and Metalliferous Mineral Resourcesin the State of Washington with Bibliography. By Arthur Homer Fischer. 1919.
124 pp. Price, 75 cents.
Bulletin No. 5—Electrometallurgical and Electrochemical Industry inthe State of Washington. By Charles Denham Grier. 1919.
43 pp. Price, 50 cents.
Bulletin No. 6—Ornamental Concrete Lamp Posts. By Carl EdwardMagnusson. 1919.
24 pp. Price, 40 cents.
Bulletin No. 7—Multiplex Radio Telegraphy and Telephony. 1920.By F. M. Ryan, J. R. Tolmie, R. O. Bach.
Price, 50 cents.
Bulletin No. 8—Voltage Wave Analysis with Indicating Instruments.By Leslie Forrest Curtis. 1920.
28 pp. Price, 50 cents.
Bulletin No. 9—The Coking Industry of the Pacific Northwest.By Joseph Daniels. 1920.
36 pp. Price, 60 cents.
Bulletin No. 10—An Investigation of Compressed Spruce Pulleys.By George Samuel Wilson. 1920.
72 pp. Price, 80 cents.
Bulletin No. 11—The Theory of Linear-Sinoidal Oscillations.By Henry Godfrey Cordes. 1920.
24 pp. Price, 40 cents.
Bulletin No. 12—Motor Truck Logging Methods.By Frederick Malcolm Knapp. 1921.
52 pp. Price, 50 cents.

Requests for bulletins should be addressed to the Director, Engineering Experiment Station, University of Washington, Seattle.


Transcriber’s Notes: