The administration of nitrous oxide and oxygen for dental operations / by Frederick W. Hewitt.

  • Hewitt, Frederic W. (Frederic William), Sir, 1857-1916.
Date:
1901
Catalogue details

Licence: Public Domain Mark

Credit: The administration of nitrous oxide and oxygen for dental operations / by Frederick W. Hewitt. Source: Wellcome Collection.

Provider: This material has been provided by the Augustus C. Long Health Sciences Library at Columbia University and Columbia University Libraries/Information Services, through the Medical Heritage Library. The original may be consulted at the the Augustus C. Long Health Sciences Library at Columbia University and Columbia University.

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    Since the appearance of the first edition of this little book, the system of administering oxygen with nitrous oxide has become firmly established in dental practice. The only correction, worthy of the name, which it has been necessary to make in pre- paring the present edition, will be found in the first chapter. Thanks to a reference dis- covered and kindly furnished me by Messrs. Ash and Sons, it is now perfectly clear that the credit of first employing oxygen with nitrous oxide should be given to Andrews of Chicago. The only additional matter of any import- ance is to be found in Chapter II., which contains a resume of the research to which reference was made in the Preface of the lormer edition, and also a description of a Slight modification in my apparatus, by which I am enabled at any moment during an ad-