the float 56 actuates a mechanical shutoff valve or electrically controlled solenoid valve (not shown) between the external tank 82 and the humidifier 44. When the water level within the humidifier 44 drops sufficiently, the corresponding drop in the level of the float 56 allows the valve to ...
The thoracentesis instruments provide automatic sealing of a flow path by the self-sealing valve upon removal of a needle from a catheter. A drainage flow path to a pleural cavity is established by manual movement of another valve. The self-sealing valve prevents insertion of the needle through...
* Tony Smith wrote: 'Very sad. He was a real gentleman. RIP' * Pete Randle said Peter was a great chap to deal with, sadly missed. * From Simon Kirby: Trundle had yet another sobriquet: Sir Buster McTwang (of McTwang). This stemmed from an occasion when he conducted a very large...
Systems have been proposed for the aerobic treatment of liquid borne biowastes in which the oxygen potential has been enriched or elevated above that which normally dissolves in the liquid at atmospheric pressure. For example, Smith, in U.S. Pat. No. 4,163,712, introduces the gas into an ...
For many years after 1968, Norman maintained contact with the men who shared the podium with him – more so with Smith, for whom he had a high regard. I met Peter Norman in 1970. He became a friend. Consistent, good company on the rare occasions we managed to catch up; no airs and...