[Footnote E: _Transactions_, Am. Soc. C. E., Vol. LXVI, p. 431.]
[Footnote F: _Loc. cit._, p. 448.]
[Footnote G: _Engineering News_, Dec. 3d, 1908.]
[Footnote H: _Journal_ of the Western Society of Engineers, 1905.]
[Footnote I: Tests made for C.A.P. Turner, by Mason D. Pratt, M. Am.
Soc. C. E.]
[Footnote J: _Transactions_, Am. Soc. C. E., Vol. LVI, p. 343.]
[Footnote K: Bulletin No. 28, University of Illinois.]
[Footnote L: Bulletin No. 12, University of Illinois, Table VI, page 27.]
[Footnote M: Professeur de Stabilite a l'Universite de Louvain.]
[Footnote N: A translation of Professor Vierendeel's theory may be found in _Beton und Eisen_, Vols. X, XI, and XII, 1907.]
[Footnote O: _Cement_, March, 1910, p. 343; and _Concrete Engineering_, May, 1910, p. 113.]
[Footnote P: The correct figures from the _Bulletin_ are 1,577 lb.]
[Footnote Q: _Engineering News_, January 7th, 1909, p. 20.]
[Footnote R: For fuller treatment, see the writer's discussion in _Transactions_, Am. Soc. C. E., Vol. LXI, p. 46.]
[Footnote S: See "Tests of Metals," U.S.A., 1905, p. 344.]
[Footnote T: _The Engineering Record_, August 17th, 1907.]
[Footnote U: "The Design of Walls, Bins and Elevators."]
[Footnote V: _Engineering News_, September 28th, 1905.]
[Footnote W: _The Engineering Record_, June 26th, 1909.]
[Footnote X: _Railroad Age Gazette_, March 26th, 1909.]
[Footnote Y: _Engineering News_, April 9th, 1896.]
[Footnote Z: "Structural Engineering: Concrete."]