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- perspective view shows the device adapted for projec- rangement on the safe door, being covered by an inner… … designed especially for projection, the parallel wires BROWN'S SAFE OR VAULT DOOR LOCK. Fig. 3.-ATTRACTI0N 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- « in » chanism at the time the door is to…
Center · Munn · Patents · Apparatus · Scientific American · Illustrated · Young man · Water Supply · Plug tobacco · Miles north · Professor house · Fine wire · Tobacco manufactured · Vault door · Van depoele
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