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Scientific American, Vol. 27, No. 23 (December 1872) (1872)

leaf 11

An illustration from Scientific American, Vol. 27, No. 23 (December 1872), 1872, leaf 11
y is thebest for all general use ? Answer: The kind used at the telegraph office Inyour city. W. R. H., of 111., says :—We are preparing to build a churchhouse in our vicinity forty-four feet long. What should be its width andhight to render It easy and agreeable both to the speaker and… … out any arch to the ceiling; then break It up by showing the princi-pal trusses (three in number) extending across the roof. It is best tomake these simply to consist of the two rafters and a short hammer beamat bottom on each side, and, in the absence of buttresses, connect theseby a IK inch iron…

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