262 resultados para Electric grids


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"Materials Central, Contract No. AF 33(616)-5730, Project Nos. 7360 and 7351."

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At head of title: S-109-A.

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At head of title: S-109.

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Thesis (M. S.)--Cornell University, 1921.

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Preliminary considerations.--Single, web, box and beam girders.--Braced girders.--End carriages, wheels, axles and bearings.--Appendix: Approximate formulas for beams and crane girders, by C. R. Whittier.

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"This book originated in a series of papers, written about a year ago for the 'Canadian engineer.'"--Pref. dated Nov. 1907.