JAMA. 1902;XXXIX(19):1185-1186. doi:10.1001/jama.1902.52480450035003.
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This cone consists of two parts: The metallic cone, with a depression in the rim of the larger end, or base, to fit snugly over the bridge of the nose (Fig. 1, A) and a brass pretzel-shaped clamp (B) which holds the napkin or towel in position. Both parts are indestructible and can not be injured in any way by heat. The cone has two parallel indentations on either side, which hold the clamp in position as it springs into place.

Place the center of a square piece of gauze, napkin or towel over the end of the cole, allowing the loose ends to completely cover the outside surface. These ends are then tucked snugly up into the larger opening, as the fingers point in Fig. 1. This is done with the entire free ends, the external surface of the cone now being completely covered by the napkin or towel.


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