 | 1876 - Страниц: 630
...castiron chamber, this chamber being of such massive material that its temperature will remain sens'bly constant for some time. The chamber with its thermometer...side of the chamber upon the thermometer bulb, E. Now although this assumption may in the average of a great number of experiments represent the truth,... | |
 | 1877 - Страниц: 588
...a vertical axis, A, and also a motion in altitude round a horizontal axis, B. A three inch lenSjC, of 12 inches focal length is attached by means of...to the plane of the lens may face the sun, and an ¡mage of the sun be thrown through a hole, U, in the side of the chamber upon the thermometer bulb,... | |
 | 1876 - Страниц: 298
...consists of a large mercurial thermometer with its bulb in the middle of a cubical castiron chamber, this chamber being of such massive material that its...side of the chamber upon the thermometer bulb, E. The stem of the thermometer protrudes from the chamber as in the figure. A screw, S, somewhat larger... | |
 | Sir Norman Lockyer - 1876 - Страниц: 924
...azimuth round a vertical axis A, and also a motion in altitude round a horizontal axis B. A 3-inch lens C of 12 inches focal length is attached by means...the sun, and an image of the sun be thrown through the hole D in the side of the chamber upon the thermometer bulb E. The stem of the thermometer protrudes... | |
 | Sir Norman Lockyer - 1876 - Страниц: 558
...by means of a rod to the cubical chamber, so as to move with it. The nature of this attachment mill be seen in the figure. Thus the whole instrument may...the sun, and an image of the sun be thrown through the hole D in the side of the chamber upon the thermometer bulb E. The stem of the thermometer protrudes... | |
 | James Samuelson, William Crookes - 1876 - Страниц: 606
...12 inches focal length is attached by means of a rod to the cubical chamber, so as to move with it. Thus the whole instrument may be easily moved into...sun, and an image of the sun be thrown through a hole in the side of the chamber upon the thermometer bulb. The stem of the thermometer protrudes from the... | |
 | 1879 - Страниц: 308
...azimuth round a vertical axis A, and also a motion in altitude round a horizontal axis B. A three-inch lens C of 12 inches focal length is attached by means...through a hole D in the side of the chamber upon the thermometer-bulb E. The stem of the thermometer protrudes from the chamber as in the figure. A screw... | |
 | Manchester Literary and Philosophical Society - 1879 - Страниц: 308
...azimuth round a vertical axis A, and also a motion in altitude round a horizontal axis B. A three-inch lens C of 12 inches focal length is attached by means...of the sun be thrown through a hole D in the side qf the chamber upon the thermometer-bulb E, SER. III. VOL. VI. C The stem of the thermometer protrudes... | |
 | Balfour Stewart - 1888 - Страниц: 498
...focal length, is attached by means of a rod to the cubical chamber, so as to move Fig. 82. with it. Thus the whole instrument may be easily moved into...and an image of the sun be thrown through a. hole in the side of the chamber upon the thermometer bulb. This hole is covered or uncovered by means of... | |
 | Balfour Stewart - 1895 - Страниц: 544
...appropriate focal length, is attached by means of a rod to the cubical chamber, so as to move with it. Thus the whole instrument may be easily moved into...chamber (which is parallel to the plane of the lens), mav face the sun, and an image of the sun be thrown through a hole in the side of the chamber upon... | |
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A three inch lens, C, of 12 inches focal length is attached by means of a rod to the cubical chamber so as to move with it. The nature of this attachment will be seen in the figure. Thus the whole instrument may be easily moved into such a position that... 