transverse explosions, in distinction from surcharges or surcharged tor, which may be a lightning rod or other metallic promi- vertical section ; and Fig. 3,a view of the knife and hand lever. nence, or any projecting pointed wood cr stone, it will fiy to cloud. A bolt is exploded electricity ;… … cloud is the cannon ball ‘lying quietly within the cavity of frames that carry the knives. These are fixed rigidly, at op- it strikes the lightning rod it is like trying to knock the dis- Jupiter’s cannon, but ready to go off at any moment that the posite angles, in their frames. Each of these…
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