Wax softener;The Dental cosmos (1912)

Identifier: dentalcosmos5419whit (find matches)

Title: The Dental cosmos

Year: 1912 (1910s)

Authors: White, J. D McQuillen, J. H. (John Hugh), 1826-1879 Ziegler, George Jacob, 1821-1895 White, James William, 1826-1891 Kirk, Edward C. (Edward Cameron), 1856-1933 Anthony, L. Pierce (Lovick Pierce), b. 1877

Subjects: Dentistry Dentistry

Publisher: Philadelphia, S. S. White Dental Manufacturing Co

Contributing Library: Yale University, Cushing/Whitney Medical Library

Digitizing Sponsor: The College of Physicians of Philadelphia and the National Endowment for the Humanities

Text Appearing Before Image:

adjusting mechan-ism admits of a vertical movement of 2^inches; also, by loosening the milled knobat the end of the horizontal arm, the tem-perature chamber may be swung to oneside for convenience in removing, repla-cing, or refilling the water-glass. Operation. The glass is filled withwater, the wax cup placed in position, thecurrent turned on, and the rheostat han-dle moved to the fifth button. When thethermometer registers about 110° F., therheostat handle is moved back (to theleft) to either the fourth or third button,depending upon the temperature that isdesired. The point of the wax-carrier isheated so that it will fuse the wax, and isembedded firmly in the wax form. The door to the temperature chamber isopened by revolving the cap piece uponthe flange; the handle of the wax-carrier,with its attached wax form, is placed inthe spring clamp, and the door closed. It is unnecessary to go into detailrespecting temperature, as any degreewhich is required can be obtained, the Fig. 10.

Text Appearing After Image:

Showing wax-softener assembled. appliance having three distinct sources ofcontrol—(1) the rheostat, (2) raising orlowering the temperature chamber, and(3) opening the door. It will readily berealized that the appliance is not submis-sive to any change, within reason, involtage due to load, etc., or to variationsin room temperature. Liquid wax is available at all times oron short notice, at the option of the opera-tor; and by having several wax cups,different colors or kinds of wax may be VAX HORN.—THE WAX PATTERN. 9S3 used. The wax in the wax cup willliquefy at a temperature of from 160° to1T0° P., with the handle of the rheostaton the third button; but if a higher stateof fluidity be desired, the handle shouldbe moved to the fourth button, which willraise the temperature of the liquid waxfrom 190 to 800° F. Hot water, for spraying the patternwhile in the tooth-cavity, is available at nique in a previous paper, the authorsset of home-made carvers make the opera-tion comparative

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1912

The College of Physicians of Philadelphia and the National Endowment for the Humanities

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