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Scientific American, Vol. 10, No. 19 (1864) (1864)

leaf 7

An illustration from Scientific American, Vol. 10, No. 19 (1864), 1864, leaf 7
he instrument on the dial of the clock or watch, the correct local RICHARDS’ TRY-SQUARE. is placed upon a bench or other nearly horizontal time of all the places marked thereon can be ascer- The instrument represented herewith is oue that surface, in such a position that the sun stands at the… … One of the most exciting features connected with Leaving to the credit of the Patent Fund Jan- occasion to use a square. In most cases where one the recent Sanitary Fair, in this city, was the spirited uary 1, 1864, the sum of................ $44,540 30 In our next number we shall present some…

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