ir. This is due to the fact that while the air cannot absorb the heat rays, the pla- tinum can and does. DELICATE DETERMINATION OB' HEAT. The next question, said the lecturer, is: Is radiation capa- In 1821, Seebeck, of Berlin, discovered that heat applied to ble of diffusing heat ? Throwing the… … hiB iron nag, like any other broken down steed, lost the race. paper, saturated with gunpowder, could be readily ignited in After thiB he planned a steam fire engine, and then a screw the focus of the image. The rays were then caused to con- propeller, which, placed in a small vessel on the ThameB,…
Patents · Iron · Rays · Asks · Improved · Professor tyndall · Heat · Carbonic acid · Steam gage · Horse power · Trade catalogs · York steam · Years ago · Scientific American · Steam engine · Square inch
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