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" An index hand attached to the pulley moves over the surface of a dial-plate, graduated so as to indicate the oscillations of the mercurial column. With an increase of atmospheric pressure the mercury in the longer tube rises, and that in the short tube... "
Cyclopædia of useful arts & manufactures, ed. by C. Tomlinson. 9 divs - الصفحة 106
بواسطة Cyclopaedia - 1852
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Pneumatics

Charles Tomlinson - 1848 - عدد الصفحات: 126
...indicate the oscillations of the mercurial column. With an increase of atmospheric pressure the mercury in the longer tube rises, and that in the short tube...small motion of revolution to the pulley, and also the attached index hand. A fall in the longer column causes the mercury with its float in the short...

Pneumatics: For the Use of Beginners ...

Charles Tomlinson - 1852 - عدد الصفحات: 226
...indicate the oscillations of the mercurial column. With an increase of atmospheric pressure the mercury in the longer tube rises, and that in the short tube...motion of revolution to the pulley, and also to the attached index hand. A fall in the longer column causes the mercury with its float in the short limb...

Pneumatics: For the Use of Beginners ...

Charles Tomlinson - 1852 - عدد الصفحات: 158
...indicate the oscillations of the mercurial column. With an increase of atmospheric pressure the mercury in the longer tube rises, and that in the short tube...motion of revolution to the pulley, and also to the attached index hand. A fall in the longer column causes the mercury with its float in the short limb...

Appleton's Dictionary of Machines, Mechanics, Engine-work, and ..., المجلد 1

1873 - عدد الصفحات: 1078
...indicate the oscillations of the mercurial column. With an increase of atmospheric pressure the mercury in the longer tube rises, and that in the short tube...motion of revolution to the pulley, and also to the attached index hand. A fall in the longer column causes the mercury with its float in the short limb...

Appletons' Cyclopædia of Applied Mechanics: A Dictionary of ..., المجلد 1

Park Benjamin - 1878 - عدد الصفحات: 994
...indicate the oscillations of the mercurial column. With an increase of atmospheric pressure the mercury in the longer tube rises, and that in the short tube...motion of revolution to the pulley, and also to the attached index-hand. A fall in the longer column causes the mercury, with its float in the short limb,...

Henley's Encyclopaedia of Practical Engineering and Allied Trades ...

1906 - عدد الصفحات: 576
...graduated so as to indicate the oscillations of the column. With an increase of pressure the mercury in the longer tube rises, and that in the short tube...pulley and also to the index hand. A fall in the longer column causes the mercury with its float in the short limb to rise, and consequently moves the index...

Henley's Encyclopædia of Practical Engineering and Allied Trades: A ...

Joseph Gregory Horner - 1906 - عدد الصفحات: 572
...graduated so as to indicate the oscillations of the column. With an increase of pressure the mercury in the longer tube rises, and that in the short tube...and this gives a small motion of revolution to the pullev and also to the index hand. A fall in the longer column causes the mercurv with its float in...




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