HANDY BOOK FOR THE CALCULATION OF STRAINS.

In Girders and Similar Structures and their Strength. Consisting of Formulæ and Corresponding Diagrams, with numerous details for Practical Application, &c. By William Humber, A.M. Inst. C.E., &c. Fifth Edition. Crown 8vo, with nearly 100 Woodcuts and 3 Plates, cloth

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“The formulæ are neatly expressed, and the diagrams good.”—Athenæum.

“We heartily commend this really handy book to our engineer and architect readers.”—English Mechanic.