A 60 percent oxygen supply for medical use.

@article{Cotes1969A6P,
  title={A 60 percent oxygen supply for medical use.},
  author={John E Cotes and A G Douglas-Jones and Michael John Saunders},
  journal={British medical journal},
  year={1969},
  volume={4 5676},
  pages={143-6}
}
A supply of 60% oxygen with 40% nitrogen should be acceptable for most clinical purposes, since usually only low dosages of oxygen are required. The gas may be provided by means of an oxygen concentrator (Rimer-Birlec), which is a compact, transportable, electrically operated apparatus capable of providing 28 l./min. (1 cu. ft./min.) of 60% oxygen from a source of compressed air. The biological effect of the gas from the device is the same as that of 60% oxygen from a conventional source… CONTINUE READING