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Updated: June 8, 2025
Under ordinary conditions these observations are made by means of rather complicated instruments, and with somewhat doubtful results, by means of thermometrical sounding-leads, the glasses often breaking under the pressure of the water, or an apparatus grounded on the variations of the resistance of metals to the electric currents. Results so obtained could not be correctly calculated.
Thermometrical observations, made at the same heights and in the same latitudes, render it probable that, at the Pejual of the Silla, one thousand toises above the Caribbean Sea, the mean temperature of the air is still 17 or 18 degrees; and that the thermometer keeps, in the coolest season, between 15 and 20 degrees in the day, and in the night between 10 and 12 degrees. At the hospital of St.
The descent of the cold air and the rise of the warm effect the relative temperatures of hills and valleys to a much greater extent that has been usually supposed. A gentleman well known to me kept a thermometrical record for nearly a half century in a New England county town, at an elevation of at least 1,5000 feet above the sea.
Recent inquiries have introduced a new element into the problem of the influence of the forest on temperature, or rather into the question of the thermometrical effects of its destruction.
Then, if the ends of the bar be reversed, and it be again passed between the rollers, the parallel portion will become tapered; thus we can get a bar. At the same time, a 'Thermometrical Ventilator' was exhibited, which is described as circular in form, with a well-balanced movable plate.
The Minister of Marine, wishing to obtain scientific results, gave orders to form, when possible, a marine zoological collection, and to carry on surveying, deep-sea soundings, and abyssal thermometrical measurements. The officers of the ship received their different scientific charges, and Prof.
Oliver Wendell Holmes remarked to the present writer, like the different thermometrical scales; it does not take very long to realise that twenty-five degrees of Réaumur mean as great a heat as ninety degrees of Fahrenheit. Such a city as Boston amply justifies its inclusion in a "Historic Towns" series, along with London and Oxford; and it is by no means a singular instance.
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