n could never be regarded as en- embracing a number of small horns communicating at adapted to circuits of a given voltage, is the subject lirely faultless. What is known as the “hairpin” their smaller ends with a transmitter having a mouth. of the patent granted to Mr. Hanks. The adaptability… … requisition. THE IMPROVED FORM OF INCANDESCENT LAMP FILA- A device by which this change is at all times readily MENT COMPARED WITH ONE OF THE “ HAIRPIN” accomplished is shown in the accompanying cut. The TYPE. lamp is provided with about ten feet of flexible cord, vocal or instrumental, is…
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