Mr. Robert Ellis' compound inhalers for anaesthesia by mixed vapours, manufactured only by Messrs. Savigny & Co., 67, St. James's Street.

Date:
1866
Catalogue details

Licence: Public Domain Mark

Credit: Mr. Robert Ellis' compound inhalers for anaesthesia by mixed vapours, manufactured only by Messrs. Savigny & Co., 67, St. James's Street. Source: Wellcome Collection.

Provider: This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.

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    thus obviating some of the most frequent causes of danger in chloroform ization. The instruments are of two kinds—one for surgical ope- rations and intended to be held in the surgeon’s hand; the other and more perfect form being adapted both for the operating room, and for the use of the accoucheur. The first kind is represented in the annexed cut. It consists of a movable reservoir d, divided into several compartments a, h, c, in which the different anaesthetic fluids are evaporated. Two-thirds of the space are devoted to the alcohol and ether chambers a, l, and the remaining third to the chloroform c. The reservoir makes a half-turn in its socket e/and thus brings in succession certain openings at the bottom of the apparatus leading to the one or other of these compartments opposite to the index finger /, and aperture of egress. Thus, by simply turning it either to the right or to the left, any degree of mixture can be given to the vapours,