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[1] This can be done to a very limited extent indeed if the ordinary valves here described are used. See page 68.
[2] A safeguard provided on some machines is a side lead from the oxygen supply direct to the facepiece whereby pure oxygen can be given if required.
[3] The amount of oxygen in a cylinder is designated in terms of cubic feet. A cylinder which would hold 100 gallons of N2O, will contain 30 cubic feet of oxygen.
[4] In the figure the Clover is shown with gas valves and 2-gallon bag, arranged for “gas and ether.”
[5] Trans. xvii. Internat. Med. Cong. Sub-sect. (vii.) Part i.
[6] Journal Amer. Med. Assoc., Sept. 1913.
[7] Trans. xvii., Internat. Med. Cong. Sub-sec. (vii.), Part i.
[8] Trans. xvii., Internat. Med. Cong., Sub-sec. (vii.), Part ii.
[9] Trans. xvii., Internat. Med. Cong., Sub-sec. (vii.), Part I.
[10] The student should be careful to be sure that the bulb is attached to the inlet pipe: if by accident it be slipped on to the outlet pipe, the first compression of the bulb will eject a stream of liquid chloroform from the instrument.
[11] The author described this method in a paper read before the Scottish Branch of the British Dental Association, and afterwards published in the Journal of the Association under the title “The Edinburgh System of Dental Anæsthesia.” To the use of this term Dr J. H. Gibbs, of Edinburgh, took strong exception in a letter to the Editor of the Journal. The author has and had no desire to convey the impression that this system was universally used in Edinburgh, but simply that it is the method taught by Dr Guy, Dean of the School, to the students in the Extraction Room.
Transcriber’s Notes:
1. Obvious printers’, punctuation and spelling errors have been
corrected silently.
2. Where hyphenation is in doubt, it has been retained as in the
original.
3. Some hyphenated and non-hyphenated versions of the same words have
been retained as in the original.