t would supply this sure that the vane revolves quite easily, and the home- front of the house. Reverse conditions of the atmo- mixture to order. When the material is obtained, made article is practically complete. The weather carefully fill the tube with it. The open end of the sphere bring about… … first stretching the material round the tube of the interesting device not uncommonly to be seen in A Simple Weather-vane. funnel, and then placing the latter in the bottle. It country places is the water barometer. It is com- is essential to buy a measuring glass, and when doing posed of a…
Manufacturers · Patents · Center · American supplement · Scientific American · Air brake · Whirlpool rapids · Sluice box · Van winkle · Producer gas · Gas producer · Gas engines · Naked eye
Internet Archive · Public domain (published before 1931). Free to use for anything.
