. The Civil engineer and architect's journal, scientific and railway gazette. Architecture; Civil engineering; Science. things; Xo. 5 is inclosed in a medallion, but the of this wlu-rl touch the circumference and mingle in it, wliile tliose of N'>. ti do not touch it. This last figure does not present a Rho but an luli!, which is the first letter of the Greek word IH20T2, as the Chi is the first letter of XPI2r02. The sixth cypher is tln-n the most complete. There is yet a vast number of inscriptions and allegorical orn inicnts besides those which accompany the sign of the C
. The Civil engineer and architect's journal, scientific and railway gazette. Architecture; Civil engineering; Science. things; Xo. 5 is inclosed in a medallion, but the of this wlu-rl touch the circumference and mingle in it, wliile tliose of N'>. ti do not touch it. This last figure does not present a Rho but an luli!, which is the first letter of the Greek word IH20T2, as the Chi is the first letter of XPI2r02. The sixth cypher is tln-n the most complete. There is yet a vast number of inscriptions and allegorical orn inicnts besides those which accompany the sign of the Cross and detail its ficts and significations; but we have been compelled to confine our- selves to the more essential points of this important subject. REMARKS ON THE MATHEMATICAL PRINCIPLES OF MR. DREDGE'S PATENT SUSPENSION BRIDGE. By F. Bashforth, , Fellow of Si. John's College, Cambridge, and Member of the Cambridge Philosophical Society, " The constant destruction of bridges so fatal to life and property, arises solely from the erroneous principles upon which they are ;— Mr. Dredge's Advertisement. The recent fatal catastrophe -xi Yarmouth renders it imperative on all persons to make use of every means in their power to guard against the recurrence of a similar event. It is to me a matter of surprise tliat there has been no exposure of what Mr. Dredge calls his " System mathematically demonstrated, showing, by the most searching inves- tigation, the true principles of the novel and economical ; 1! In the work on Bridges, published by Mr. Weale, we have a Sup- plement of G4 pages of demonstration, illustration, and examples. In vol. xxxviii. of the Mechanics Magazine we have the " Mathematical Demonstration of the Principles of Dredge's Patent Iron Bridges. By the ; In addition to these Mr. Dredge has printed for dis- tribution anumberof letters extracted from newspapers, &c.,explaining in glowing colours
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