. A text book of physics, for the use of students of science and engineering . 9 77 3141 2 5-29 28 28-25 53 107 0 78 327-2 3 5-68 29 29-94 54 112-3 79 340-9 4 610 30 31-71 55 117-8 80 355-1 5 6-54 31 33-57 56 123-6 81 369-7 6 7 01 32 35-53 57 129-6 82 384-9 7 7-51 33 37-59 58 135-9 83 400-5 8 8 04 34 39-75 59 142-4 84 416-7 9 8-61 35 42-02 60 149-2 85 433-4 10 9-20 36 44-40 61 156-3 86 450-8 11 9-84 37 46-90 62 163-6 87 468-6 12 10 51 38 49-51 63 171-2 88 4871 13 11-23 39 52-26 64 1791 89 506 1 14 11-98 40 55-13 65 187-4 90 525-8 15 12-78 41 58 14 66 195-9 91 546-1 16 13-62 42 61-30 67 204-8 9


. A text book of physics, for the use of students of science and engineering . 9 77 3141 2 5-29 28 28-25 53 107 0 78 327-2 3 5-68 29 29-94 54 112-3 79 340-9 4 610 30 31-71 55 117-8 80 355-1 5 6-54 31 33-57 56 123-6 81 369-7 6 7 01 32 35-53 57 129-6 82 384-9 7 7-51 33 37-59 58 135-9 83 400-5 8 8 04 34 39-75 59 142-4 84 416-7 9 8-61 35 42-02 60 149-2 85 433-4 10 9-20 36 44-40 61 156-3 86 450-8 11 9-84 37 46-90 62 163-6 87 468-6 12 10 51 38 49-51 63 171-2 88 4871 13 11-23 39 52-26 64 1791 89 506 1 14 11-98 40 55-13 65 187-4 90 525-8 15 12-78 41 58 14 66 195-9 91 546-1 16 13-62 42 61-30 67 204-8 92 567-1 17 14-52 43 64-59 68 2140 93 588-7 18 15-46 44 68-05 69 223-6 94 6110 19 16-46 45 71-65 70 233-5 95 634 0 20 1751 46 75-43 71 243-8 96 657-7 21 18-62 47 79-37 72 254-5 97 682 1 22 19-79 48 83-50 73 265-6 98 707-3 23 21 02 49 87-80 74 277 1 99 733-3 24 22-32 50 92-30 75 289 0 100 7600 25 23-69 I * For fuller tables of aqueous vapour pressures, see Physical and ChemicalConstants, bjr Kaye and Laby (Longmans). 534 HEAT Properties of Saturated Steam. (Centigrade Units)*. * Taken by permission from The Steam Engine and Other Heat Engines, bySir Alfred Ewing. (Camb. Univ. lress.) PART IIILIGHT CHAPTER XLI PROPAGATION OF LIGHT Radiation.—In Chap. XXIX it was seen that all surfaces emitradiation ; its absorption, reflection and transmission by various[substances were considered, and its detection and measurementwere touched upon. Such instruments as the blackened bulb, orthe thermopile (p. 381) measure the total radiant energy the temperature of a body to be gradually raised; as thetemperature of the emitting surface rises, the total radiation increases,but its character also changes. Although at this stage the changein character in the radiation cannot be discussed in any detail, stillthe eye tells us that there is some change. Consider an iron ball in a dark room ; it cannot be seen ; but. ifpts temperature be raised, it becomes luminous, appearing a dullr


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Keywords: ., bookcentury1900, bookdecade1910, bookpublishe, booksubjectphysics