ests of timber by means
of a recording deflectometer. Proc. Am. Soc. Test. Mat., Vol.
IX, 1909, pp. 534-548.

TJADEN, M.E.H.: Het Indrukken van Paalkoppen in Kespen. De
Ingenieur, Sept. 11, 1909.

----: Weerstand van Hout loodrecht op de Vezelrichting. _Ibid._,
May, 1911.

----: Buigvastheid van Hout. _Ibid._, May 31, 1913.

TRAUTWINE, JOHN C.: Shearing strength of some American woods.
Jour. Franklin Inst., Vol. CIX, 1880, pp. 105-106.

TREDGOLD, THOMAS: Elementary principles of carpentry. London,
1870.

TURNBULL, W.: A practical treatise on the strength and stiffness
of timber. London, 1833.

Untersuchungen ueber den Einfluss des Blauwerdens auf die
Festigkeit von Kiefernholz. Mitt. a. d. koenig. techn.
Versuchsanstalten, I, 1897.

Verfahren zur Pruefung v. Metallen und Legierungen, von
hydraulischen Bindemitteln, von Holz, von Ton-, Steinzeug- und
Zementroehren. Empfohlen v. dem in Bruessel v. 3-6, IX, 1906,
abgeh. IV. Kongress des internationalen Verbandes f. die
Materialpruefungen der Technik. Wien, 1907.

WARREN, W.H.: Australian timbers. Sydney, 1892.

----: The strength, elasticity, and other properties of New
South Wales hardwood timbers. Sydney, 1911.

----: The strength, elasticity, and other properties of New
South Wales hardwood timbers. Proc. Int. Assn. Test. Mat., 1912,
XXIII_{6}, pp. 9.

----: The properties of New South Wales hardwood timbers.
Builder, London, Nov. 1, 1912.

----: The hardwood timbers of New South Wales, Australia. Jour.
Soc. of Arts, London, Dec. 6, 1912.

WELLINGTON, A.M.: Experiments on impregnated timber. Railroad
Gazette, 1880.

WIJKANDER, ----: Untersuchung der Festigkeitseigenschaften
schwedischer Holzarten in der Materialpruefungsanstalt des
Chalmers'schen Institutes ausgefuehrt. 1897.

WING, CHARLES B.: Transverse strength of the Douglas fir. Eng.
News, Vol. XXXIII, Mch. 14, 1895.

PART III. PUBLICATIONS OF THE U.S. GOVERNMENT ON THE MECHANICAL
PROPERTIES OF WOOD, AND TIMBER TESTING

MISCELLANEOUS

House Misc. Doc. 42, pt. 9, 47th Cong., 2d sess., 1884. (Vol.
IX, Tenth Census report.) Report on the forests of North America
(exclusive of Mexico). Part II, The Woods of the United States.

House Report No. 1442, 53d Cong., 2d sess. Investigations and
tests of American timber. 1894, pp. 4.

War Dept. Doc. 1. Resolutions of the conventions held at Munich,
Dresden, Berlin, and Vienna, for the purpose of adopting uniform
methods for