Transactions . 256 EXHIBITION OF INSTRUMENTS. nection is maintained between the gravity cells and thestorage cells. The battery may be safely transported to adistance and is readv tor use without a moments delay. It will be found a valuable acquisition to the aural sur-geon when called upon to make an examination or operateat night in the sick room where ordinary light only isemploved. A NEW HEAD LANTERN FOR THE EMPLOYMENT OFELECTRIC LIGHT IN AURAL SURGERY. By Dr. S. Sexton, Nezv York. N. T. This is a modification of the Trouve lantern. Thereneed be no fear of igniting the ether used in narcos
Transactions . 256 EXHIBITION OF INSTRUMENTS. nection is maintained between the gravity cells and thestorage cells. The battery may be safely transported to adistance and is readv tor use without a moments delay. It will be found a valuable acquisition to the aural sur-geon when called upon to make an examination or operateat night in the sick room where ordinary light only isemploved. A NEW HEAD LANTERN FOR THE EMPLOYMENT OFELECTRIC LIGHT IN AURAL SURGERY. By Dr. S. Sexton, Nezv York. N. T. This is a modification of the Trouve lantern. Thereneed be no fear of igniting the ether used in narcosis whenthis lamp is emploved. The lantern is constructed of non-. conducting material, so that there is no danger of burningthe nose or forehead from overheating the lantern or itsattachment. The lantern may be run with the battery justdescribed. EXHIBITION OF INSTRUMENTS. 257 DISCUSSION. Du. Kipp :—I would ask if any of the members havetried to hold the mirror or lamp by the teeth instead ofusing the head band? This method has been suggestedby Lucae and it seems to answer very well. The President :—Dr. Speir of Brooklyn has suggestedsomething of this kind by which the head band is dispensedwith, the miiror being held with the teeth. Dr. Burnett :—My experience with the storage bat-tery is that it will not give more tiian six hours work andthat in two or three days it will lose its power whether usedor not. It is best filled by a dynamo with a sixteen candlelight introduced as a resistance. It may be tilled in theway that Dr. Sexton describes, or it can be filled Irom fiveto eight Bunsen cells. Dr. Buck :—Is it found that the actual illumina
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Keywords: ., boo, bookcentury1800, bookdecade1860, booksubjectear, bookyear1868
