 | Royal Society (Great Britain) - Antarctica - 1839 - 94 pages
...--the scale is engraved upon a short plate of brass fixed upon the wooden frame of the instrument, and the compound expansion of the two substances can only be guessed at, but must be obviously less than if the whole length had been of brass. As a near approximation for... | |
 | Royal Society (Great Britain) - Geomagnetism - 1840 - 164 pages
...the scale is engraved upon a short plate of brass fixed upon the wooden frame of the instrument, and the compound expansion of the two substances can only be guessed at, but must be obviously less than if the whole length had been of brass. As a near approximation for... | |
 | Military art and science - 1853 - 830 pages
...the scale is engraved upon a short plate of brass fixed upon the wooden frame of the instrument, and the compound expansion of the two substances can only be guessed at, but must be obviously less than if the whole length had been of brass. As a near approximation for... | |
 | Science - 1862 - 786 pages
...POINT. IN most of the common barometers the scale is engraved upon a short plate of brass, or of ivory, fixed upon the wooden frame of the instrument. In...for such imperfect instruments, the following table may be used. In computing this table, the expansion of glass, which is less than that of brass and... | |
 | Science - 1862 - 802 pages
...POINT. IN most of the common barometers the scale is engraved upon a short plate of brass, or of ivory, fixed upon the wooden frame of the instrument. In...observations for reducing them to the freezing point cnnnot be determined with precision. As a near approximation for such imperfect instruments, the following... | |
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GLASS SCALES, TO THE FREEZING POINT. IN most of the common barometers the scale is engraved upon a short plate of brass, or of ivory, fixed upon the wooden frame of the instrument. In such a case, the compound expansion of the two substances can only... 