The Designing of Draw-Spans, Vol. 1 of 2 (Classic Reprint) - Tapa blanda

Sinopsis

Excerpt from The Designing of Draw-Spans, Vol. 1 of 2

The author has desired to collect in this volume all the material necessary for the complete designing of the common types of draw-spans, and to arrange it in such form as to be of the greatest service in practical use. Several special types, such as the rolling-lift and the vertical-lift spans in use at: Chicago and elsewhere, and the folding draw as used in Boston, are considered and their special features illustrated.

The points which have received the most attention are those which the author has failed to find very fully discussed in works on draw-spans, and which are, many of them, the things which cause the young engineer or the one not familiar with draw-spans the most trouble when the practical design of a draw-span is undertaken.

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