| #6743199 in Books | 2008-03-04 | 2008-03-04 | Original language:English | PDF # 1 | 8.25 x.11 x5.80l,.18 | File Name: 0747802408 | 32 pages
||0 of 0 people found the following review helpful.| Antique Lover|By Georgia A. Stokes|Excellent book really helpful in understanding historical barometers. Good reference pictures. Shipped fast will shop again.|About the Author|Anita McConnell is a historian of the earth sciences with a particular interest in the instruments and apparatus used to explore and survey land, sea and air.
Many people consult a barometer before going out, to see what the weather is likely to be. Barometers measure the general pressure of the atmosphere, which changes with the weather: falling pressure generally heralds rain; rising pressure predicts fine weather. The simple mercury barometer originated in seventeenth century Italy and was soon copied in France and Britain. In the nineteenth century demand increased for domestic and scientific barometers. They were needed ...
