BAROGRAPH

instrument used to make a continuous recording of atmospheric pressure. The pressure-sensitive element, a partially evacuated metal cylinder, is linked to a pen arm in such a way that the vertical displacement of the pen is proportional to the changes in the atmospheric pressure. The pen traces a record of pressure versus time on a chart, which is mounted on a drum rotated by a clockwork. Each chart usually provides one week's record. See barometer.

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The Columbia Encyclopedia, Sixth Edition Copyright© 2004, Columbia University Press. Licensed from Lernout & Hauspie Speech Products N.V. All rights reserved.

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Questia Books and Articles on: Barograph
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books on: Barograph  - 44 results

       More book Results: 1-10 11-20 21-30 31-40 41-44 >>  
 
...70. Aneroid barograph 151...Barogram of a one-to-one scale barograph 151...barometer Aneroid barometer Barograph 8. Precipitation Rain gage...
...Reduction to sea level--Aneroid barometers--Aneroid barograph--Mercurial barograph--Horizontal distribu- tion of pressure--Isobars...131 36.--Aneroid barograph 132 37.--Marvin...
More book Results: 1-10 11-20 21-30 31-40 41-44 >>

 

newspaper articles on: Barograph  - 4 results

 
 
...cries jaunty Darren,always ready to swop smalltalk with presenters, always keen to expresswonderment at some blip on the barograph. Deadly Darren cannot say Wales but has to say uh-Wales, thinking that thesmall pause makes him sound spontaneous and conversational...
...180. Prices realised for other items included: mahogany longcase clock, pounds 900; Royal Dux figurine, pounds 240; cased barograph - Sewills of Liverpool pounds 210 and brass chronemeter ! Sewills of Liverpool pounds 160; Doulton Burslem wash set, pounds...
...1916-96/ Charlie the Chocolate Factory/1964/, Danny, the Champion of the World/1975/ Georges Marvellous Medicine/1981. 2. A barograph is a graphic display representing the relative level of an input or output signal. 3. The crossword clue solution is Closed...
...1885 (estimates pounds 500-700 and pounds 700-900 respectively), a selection of microscopes, telescopes, barometers and a barograph by Winter Son, Newcastle-on-Tyne (pounds 200-300). Bristols maritime past is also celebrated in the sale, with a series...


 

encyclopedia articles on: Barograph  - 2 results

 
 
BAROGRAPH instrument used to make a continuous recording of atmospheric pressure. The pressure-sensitive element, a partially evacuated...
...pressure on it; this motion is transmitted by a train of levers to a pointer which shows the pressure on a graduated scale. A barograph is a self-recording aneroid barometer; an altimeter is often an aneroid barometer used to calculate altitude...


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