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Scientific American, Vol. 16, No. 12 (1867) (1867)

leaf 3

An illustration from Scientific American, Vol. 16, No. 12 (1867), 1867, leaf 3
inner ends with comparatively, and yet it is not so to our conception of things. leave, so as to become familiarized with every detail. Every- For instance, the celebrated porter brewery two upright bars pivoted at the lower ends Fig L of Guinness, Son & Co., Dublin, which has with the gate post.… … built for durability. against American hops israpidly disappearing : McKNIGHTS LEVER FARM GATE, This gate was patented Jan. 29, 1867, a portion of them are now used in nearly all the large breweries, The superiority of British beer is due in through the Scientific American Patent Agency, by George…

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