Anaesthetics in dental surgery / by Frank Coleman and Harvey Hilliard.
- Coleman, Frank, 1875 or 1876-1962.
- Date:
- 1912
Licence: In copyright
Credit: Anaesthetics in dental surgery / by Frank Coleman and Harvey Hilliard. Source: Wellcome Collection.
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![c. PLATE II.—The Application of the Face-piece. Fig. A.—Showing method of holding face-piece. Fig. B.—Showing method of applying face-piece over nose. Fig. C.—Showing method of applying face- piece over mouth and retaining the same in position. (Patient’s head is reclined too far over head-rest, especially in Figs. A and C.) To face 42].](https://iiif.wellcomecollection.org/image/b28117827_0061.jp2/full/800%2C/0/default.jpg)
