1500

Found 2 Results for 1500.

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1. Clocks
, although there is some uncertain evidence that the Egyptians employed them as early as 1500 B.C.
http://www.fun-home-projects.com/collecting/​clocks.html

2. Mushrooms
The temperature will rise again to about 1500 F. On the tenth day turn for the second time, and then on the thirteenth day give a further turn, sprinkling twelve-and-a-half pounds of gypsum powder (calcium sulphate) over the material.
http://www.fun-home-projects.com/hobbies/​hydroponics/​miscellaneous_uses/​mushrooms.html

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