Show the weather glass take a flat broad pint flash fill it one third with water and close it with a cork through which a small bent glass tube Is inserted the glass tube j should be cut so that the outer leg t Is as long as the bottle Is high while the inner leg that Is the end in seated through the cork stands out a t trifle inside the neck ot the bottle to make the cork water tight use sealing wax ahe illustration shows how to hang the bottle upside down J by a cord hang in a protected place F where the sun will not penetrate 4 this weather glass similar to the barometer indicates the pressure ot the air it the pressure ot the air relaxes the water will rise in the out side tube showing the approach of rain II 11 the water in the tube sinks dry weather Is to be expected |