As the egg-shaped cisterns have no jdge or angle at the bottom, of course they ire capable of withstanding a greater amount )f hydorstatic pressure than the flat bottoms, md are, therefore, not so ...

This article was originally published with the title “ The Egg-Shaped Vertical Boiler ” in Scientific American Magazine Vol. 8 No. 50 (August 1853), p. 400 doi:10.1038 ...

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