IN the Proceedings of the Royal Society for August (vol. 120, pp. 128–210) will be found a series of communications from the Government Laboratory on the infra-red spectra of the three gases, ammonia, ...
Concerning the Government Concentrate “Propane Is Hazardous in Air Conditioners,” why not reintroduce ammonia as a refrigerant gas for small-sized refrigerating equipment to get rid of bureaucratic ...
If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...
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