paratus for exhibiting this the front of the body of the safe, and the lock or set several times around the needle. Owing to this fact, phenomenon is illustrated by Fig. 3. In this figure the works are so arranged as to give no clew to their ar- the galvanometer was formerly known as the galvano-… … designed especially for projection, the parallel wires BROWN’S SAFE OR VAULT DOOR LOCK. Fig. 3—ATTRACTION AND REPULSION OF PARALLEL only being visible on the screen. CONDUCTORS—AMPERE'S EXPERIMENT. door, which is opened to set the hands of the clock me- oe chanism at the time the door is toopen.…
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