Barometers

Barometers measure atmospheric pressure, usually in a range between about 980 and 1020 millibars Mb but occasionally, at times of very high or low pressure, outside these figures.

Weatherwatch: Measuring the most severe gales to hit the British Isles 2011

Mercury barometers: Barometers were invented in 1640, by Evangelista Torricelli, but it was his friend, Galileo, who proposed that he use mercury.

Eleventh Hour: “That Drank The Milk From The Cow That Ate The Fish That Ate The Maggot My Father Bought For Two Zuzim…” 2009

Barometers in Bogotá and Washington, D.C., went haywire.

Krakatoa: Summary and book reviews of Krakatoa by Simon Winchester. 2003

Geological character of the country — Barometers out of order —

Journals of expeditions of discovery into Central Australia, and overland from Adelaide to King George's Sound, in the years 1840-1 2004

Geological character of the country — Barometers out of order —

Journals of expeditions of discovery into Central Australia, and overland from Adelaide to King George's Sound, in the years 1840-1 2004

In his book "Business Barometers," Roger W. Babson reproduces a letter written to him by the Manager of the Customers 'Room of a Stock Exchange House.

Successful Stock Speculation John James Butler

Roger W. Babson, in his book entitled, "Business Barometers," speaks of the possibilities of profit in language that would be considered greatly exaggerated if used by a promoter, and yet he is extremely conservative in his advice to traders.

Successful Stock Speculation John James Butler

Barometers, hygrometers, and similar instruments of great delicacy can be constructed on the principle of the odoroscope; and it may also be used in determining the character or pressure of gases and vapors in which it has been placed.

Edison, His Life and Inventions, vol. 2 1910

Barometers, hygrometers, and similar instruments of great delicacy can be constructed on the principle of the odoroscope; and it may also be used in determining the character or pressure of gases and vapors in which it has been placed.

Edison, His Life and Inventions Frank Lewis Dyer 1905

Barometers in the principal cities of the world automatically recorded this effect of the first great wave from

Complete Story of the San Francisco Horror Trumbull White 1904