THE OPERATOR. 11 filLULAND & CO., EDISON'S INDUCTORIUM, … This is an e.xeeedingly powerful iiiductiou coil, designed expressly for medical and SIEMEN'S INK RECORDERS. family use. It is constructed upon a principle recently discovered by its Inventor, We also manufacture a full line of whereby most extraordinary effects are produced, without a…
Telegraph -- Periodicals
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