The object) aimed at in the improvements, is to obtain as much caloric as possible from the furnace ... air passes, and by fixing outside the same air chambers or drums, through which the hot ...
If you're enjoying this article, consider supporting our award-winning journalism by subscribing. By purchasing a subscription you are helping to ensure the future of impactful stories about the ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results