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The instrument shown in the illustration is designed to give better exposure of the field in operations on the throat or in the mouth. It is to be used in connection with the Whitehead or similar mouth gag. It is simply a selfretaining wire speculum with stop to prevent too great pressure when used on children.
Many tonsil operators have the angles of the mouth held away by an assistant with the finger or retractor. This instrument, when in position over the gag, obviates this necessity and helps to remove every obstruction in the line of vision without interfering in the least with other instrumentation.
Fluoroscope Switch Preservation of Specimens.
—In looking over a recent catalog of a Roentgen-ray supply firm, I saw advertised a switch intended to control the fluoroscope tube from the main rheostat. The price is $20. I have accomplished exactly the same results at a cost
Woodruff HW. A MOUTH SPECULUM. JAMA. 1915;LXIV(19):1580. doi:10.1001/jama.1915.25710450002018b
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