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XII. Meteorological Abstract for the Years 1794, 1795, and 1796

Published online by Cambridge University Press:  17 January 2013

John Playfair
Affiliation:
Professor of Mathematics in the University of Edinburgh

Extract

The Journal of the Weather, of which an abstract is here communicated, has been kept in a house in Windmill Street, on the south side of Edinburgh. The latitude of Edinburgh College, as deduced from a series of astronomical observations made at Hawkhill, is 55° · 57ʹ · 5″ nearly. Windmill Street is about 500 yards farther to the fouth.

The barometer used in these observations is a portable one, of the construction invented by Dr Lind, physician at Windsor; the mercury was boiled in the tube, and the scale is divided into the five-hundredth parts of an inch. The place where it stands is 265 feet above the level of the sea, or of the mean high-water mark at Leith. The height of it is marked every morning at 10 o'clock, as well as that of a thermometer, in the same room, which gives the temperature of the mercury.

Type
Papers Read Before the Society
Copyright
Copyright © Royal Society of Edinburgh 1798

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