OLUME IX.] [NUMBER 49. structures. Houses on this principle can be THe erected with astonishing celerity, as the parts SBOIENTIFIO AMERIOAN, … tion would occur, but was much surprised and Mr. Simon said, at a recent meeting of the The annexed engraving illustrates an im- are secured thereto by bolts and nuts, c c, for alarmed a few days since to find how rapidly Society of Arts, London, that it was a notorious provement in the…
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