se from the industrial schools of mosphere, but failed completely when there was a little Philadelphia, Chicago, Worcester, St. Louis, New nace. The thick smoke which it produces passes wind, seems to have stimulated the other votaries of aeronautics. We hear from Berlin that another diri- through… … been made for similar exhibitions in several neighbor- the form of hydrate, constituted 9°4 and 13°4 per cent Fig. 2—SMALL APPARATUS FOR CONDENSING SMOKE ing cities. It is confidently believed that thismovement of the clay in two layers analyzed, and the color of the BY ELECTRICITY. for the manual…
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