testing construction materials with regard to their
mechanical properties. By J. Bauschinger. Translated by O.M.
Carter and E.A. Gieseler. 1896, pp. 44.

War Dept. Doc. 11. On tests of construction materials.
Translations from the French and from the German. By O.M. Carter
and E.A. Gieseler. 1896, pp. 84.

House Doc. No. 181, 55th Cong., 3d sess. Report upon the
forestry investigations of the U.S. Department of Agriculture,
1877-1898. By B.E. Fernow, 1899, pp. 401. Contains chapter on
The work in timber physics in the Division of Forestry, by
Filibert Roth, pp. 330-395.

FOREST SERVICE

Cir. 7--The Government timber tests [189-], pp. 4.

Cir. 8--Strength of "boxed" or "turpentine" timber. 1892, pp. 4.

Bul. 6--Timber Physics. Pt. I. Preliminary report. 1. Need of
the investigation. 2. Scope and historical development of the
science of "timber physics." 3. Organization and methods of
timber examinations in the Division of Forestry. By B.E. Fernow,
1892, pp. 57.

Unnumbered Cir.--Instructions for the collection of test pieces
of pines for timber investigations [1893], pp. 4.

Cir. 9--Effect of turpentine gathering on the timber of longleaf
pine. By B.E. Fernow [1893], p. 1.

Bul. 8--Timber physics. Pt. II. Progress report. Results of
investigations on longleaf pine. 1893, pp. 92.

Bul. 10--Timber: an elementary discussion of the characteristics
and properties of wood. By Filibert Roth. 1895, pp. 88.

Bul. 12--Economical designing of timber trestle bridges. By A.L.
Johnson, 1896, pp. 57.

Cir. 12--Southern pine, mechanical and physical properties.
1896, pp. 12.

Cir. 15--Summary of mechanical tests on thirty-two species of
American woods. 1897, pp. 12.

Cir. 18--Progress in timber physics. 1898, pp. 20.

Cir. 19--Progress in timber physics: Bald cypress (_Taxodium
distichum_). By Filibert Roth, 1898, pp. 24.

Y.B. Extr. 288--Tests on the physical properties of woods. By
F.E. Olmstead, 1902, pp. 533-538.

Unnumbered Cir.--Timber tests. [1903], pp. 15.

Unnumbered Cir.--Timber preservation and timber testing at the
Louisiana Purchase Exposition. 1904, pp. 6.

Cir. 32--Progress report on the strength of structural timber.
By W.K. Hatt, 1904, pp. 28.

Bul. 58--The red gum. By Alfred Chittenden. Includes a
discussion of The mechanical properties of red gum wood, by W.K.
Hatt. 1905, pp. 56.

Cir. 38--Instructions to engineers of timber tests. By W.K.
Hatt, 1906, pp. 55. Revised edition, 1909, p