resist the full power of with surfaces adapted for emblematical or lettered advertis- experiments, and in the possible discovery of like experi- the machine without crushing or set. The coil was then ing. ments by others. placed around the rod, and the test for stress electric induc- An improved… … it is necessary for them to carry and The helix used liad no iron about weigh outtheir medicines, for fami- it when the core was removed, and MANNER OF PRODUCING ELECTRIC INDUCTION BY VARYING STRESS. ly use in weighing medicine, and the opening for the core was large for pi'escriptions and other…
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