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Bridge Building.
Part III. comprises a brief practical treatise on the framing and construction of Bridges, with bills of timber and iron given in detail, by the use of which intelligent carpenters can construct almost any kind of a bridge. This part of the work does not, however, make any special claims to new discoveries, or to much originality; nor is it intended to supersede the use of those works specially devoted to Bridge Building; but it is believed it will be found more practically convenient and simple than some others of more imposing bulk and of higher price.
Valuable Tables.
Part IV. contains a valuable collection of Tables, showing the Lengths of Rafters, Hip Rafters, Braces, &c., and also the weights of iron, the strength of timber, &c., &c., which will be found of the greatest convenience, not only to common mechanics but to professional designers, architects, and bridge builders. Some of these tables have been compiled from reliable sources; but the most important of them have been calculated and constructed, at a considerable amount of expense and labor, expressly for this work.
Plates and Illustrations.
Nor has any expense been spared in the preparation of the plates and illustrations, which are “got up” in the highest style of the art; and it is hoped, and confidently expected, that the work, as a whole, will prove to be satisfactory and remunerative equally to the Public and to their
Humble and obedient servant,
THE AUTHOR.
PART I.
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