An apparatus that is used for purifying gas in the preparation of nitrous oxide gas. This involves a series of bottles for agitating and washing the gas; these bottles are connected to a tank by tube, as is a nozzle for inhalation of the purified gas.
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Is part of: Artificial anaesthesia, a manual of anaesthetic agents ... employment in the treatment of disease, p. 42, pl. 3.; See related catalog record: 66950750R