machine. Last updated 15/12/15. 1. The RCoA recognises the importance of these safety checks, and knowledge of them may be tested as part of the FRCA examination . A cause for concern is that the majority of anaesthetists surveyed relied partially on the checks of others, despite two-thirds of this subgroup having only a ‘vague' knowledge of the checks made. Anaesthesia OSCE G Arthurs K M Elfituri Google Books. The Gillies anaesthetic machine was produced commercially after 1941. Introduction The anesthesia gas machine is a device which delivers a precisely-known but variable gas mixture, including anesthetizing and life-sustaining gases. Original Boyle was made by the firm COXTERS. There are several differences between newer and older anesthesia machines.