find the point on each rodat which a fragment of paraffin wax placed on the rod is justmelted. The temperature is the same at these two points; itwill be found that the point on the copper rod is much furtherfrom the source of heat than that on the iron rod. In agiven time more heat is transmitted… … Fig. 62. 140-141] THE TRANSMISSION OF HEAT. 163 number of narrow tubes some 3 inm. in diameter pass. Anumber of rods of different materials are all covered with athin coating of paraffin wax and then inserted in the re-spective tubes. The trough is filled with boiling water sothat one end of each…
Heat · Light
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