ngly simple one, but the last half its linear, or to one quarter its superficial dimensions, N. Y., for the accompanying excellent design, of his own is complex, containing as many as 33 lines. The lines dis- place the original drawing under the tracing point at A, the invention, for a concrete… … as to the use of Brazil wood and the common Virginian poke, was used with every success, by Mr. Reitheimer, in the con- B E A, being similar in consequence of the parallelism of to be not without reason. struction of the great breakwater at Holyhead, England. their sides, the distance BC : BA ::…
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