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STRUTS

Investigation of the compressive strength of spruce struts of rectungul&r cross section and the derivation of formulas suitable for use in airpiane design, by James E. Boyd. Washington-, U.S. Govt. print. off., 1920.    45 p. illus.

(Bureau of standards technologie papers no. 152)

Critical distributed loads for long struts, by A. Morley and F.F.P. Bisacre. Engineering, London, Jan. 24, 1919, v. 107, no. 2769, p. 89-100. illus.

On the stability of long struts of variable section, by Ono Akimasa. Memoirc of the College of engineering, Kyushu imperial university, Fukuoka, Japan, 1919, v. 1, no. 5, p. 395-406. diagrs.

An Approximate graphical treatment of some strut problems

(deflection of struts; continuous bearns, etc.), by John Case. Engineering, London, Dec. 20, 1918, v. 106, no. 2764, p. 699-700. illus.

Critical loads for long tapering struts, by Arthur Morley. Engineering, London, Sep. 21, 1917, v. 104, p. 295-98. diagrs., tables.

THREE MOMENT EQUATI0M

The Theorem of three moments with variable ^łtI^tf but without*

thrust, by F.J. Turton. Philosophical magazine, London,

Mar. 1933, v. 27, no. 182, p. 328-40. diagrs., illus.,

tables.

New forms of the theorem of three moments, by F. J. Turton.

Philosophical magazine, London, June 1938, v. 25, ser. 7, no. 169, p. 852-64. diagrs., illus., tables.

The Generalized' theorem of three moments for the case of

parabolic lateral loading, by J. Morris. Journal of the R.A.S., London, Fet. 1S38, v. 42, no. 326, p. 159-64. diagrs., illus., tables.

Shear deformation included in three-moment eąuation, by A. Floris. Civil engineering, Mew York, Cct. 1937, v. 7, no. 10, p. 711-13. diagrs., illus.

Functions for solution of three-moment eąuation for beam columns with non-uniform loads, by I!. M. Hansen. Transactions of the A.S.M.E., New York, 1937, v. 59, p. 362-53. diagrs., tables.

Der Dreimomentenansatz der aurchlaufenden kreissymetrischen platte, von H. Marcus. Schweizerische bauzeitung, ZUrich, Mar. 14, 1936, v. 107, no. 11, p. 111-14.