Scientific Ameriran, (JANUARY 21, 1888. 46 … ing steel it is unequaled. Price $5 per pound. Send SN EW YORK to THE ROCKWELL COMPA >» Sunbury, ICE-HOUSE AND COLD ROOM.—BY R. Pa., fora descriptive circular. Rare) @Plachnes G. Hatfield. With directions for construction. Four engravings. Contained in SCIENTIFIC AMERICAN SUP- County Rights, $50.…
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