first having the ends primed or dipped into a solution composed of salt- peter and nitrate of lead. The covering is done on marble slabs. A number of the red covers are pasted at a time and laid one over the other so that the ends are about one half inch apart. The cracker is placed over the top… … Fig. 2.-VEBTICAL SECTION AND FABTIAL FLAN Fig. 1-6ENEBAL VIEW OF OAILLABDET'S STEAM CABBIAGE. VIEW OF THE BOILEB. new Uncle Sam cannon cracker is made of an ex- Sixty hands turn out about 50,000 crackers per day. with fine gunpowder, is placed into this hole and a quantity of clay is put into the…
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