John Gillies
... that John Gillies devised what is thought to have been the first British closed-circuit anaesthetic machine?
... that <b id="mwAcU"><a href="./John_Gillies_(anaesthetist)" id="mwAcY" rel="mw:WikiLink" title="John Gillies (anaesthetist)">John Gillies</a></b> devised what is thought to have been the first British <a href="./Rebreather#Anaesthesia_systems" id="mwAcc" rel="mw:WikiLink" title="Rebreather">closed-circuit</a> anaesthetic machine?