A Dictionary of Applied Physics, Volume 3Richard Glazebrook Macmillan and Company, limited, 1923 |
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Page 24
... edge of the dial . The height scale is graduated by the use of equation ( 3 ) of § ( 2 ) , the temperature usually being assumed uniform at 50 ° F. or 10 ° C. Allowance for variations in ground pressure is made by rotating the height ...
... edge of the dial . The height scale is graduated by the use of equation ( 3 ) of § ( 2 ) , the temperature usually being assumed uniform at 50 ° F. or 10 ° C. Allowance for variations in ground pressure is made by rotating the height ...
Page 39
... edge of a depression , most frequently on the southern side , is noted a bulge in the isobars , inside which may ... edge of the southerly current has clear skies , but rather cold weather ; the western edge has cloudy weather and some ...
... edge of a depression , most frequently on the southern side , is noted a bulge in the isobars , inside which may ... edge of the southerly current has clear skies , but rather cold weather ; the western edge has cloudy weather and some ...
Page 40
... edge of the easterly current brings rain , which is frequently very persistent , and snow in winter . Nearer the centre of the anticyclone the weather is bright and cold . § ( 20 ) WEATHER FORECASTING . Since the weather associated with ...
... edge of the easterly current brings rain , which is frequently very persistent , and snow in winter . Nearer the centre of the anticyclone the weather is bright and cold . § ( 20 ) WEATHER FORECASTING . Since the weather associated with ...
Page 43
... edge of the ascending current or reach the head of the current and spread out horizontally with it fall to the ground , giving the heavy rain of the thunder- squall . Simpson 2 showed that the ascending current of the front of the storm ...
... edge of the ascending current or reach the head of the current and spread out horizontally with it fall to the ground , giving the heavy rain of the thunder- squall . Simpson 2 showed that the ascending current of the front of the storm ...
Page 45
... edge of a cliff in the face of a strong wind . It draws its energy persistently from the wind , and ceases immediately when the wind drops . Another of the familiar experiences of the thermodynamic operations of the atmosphere is the ...
... edge of a cliff in the face of a strong wind . It draws its energy persistently from the wind , and ceases immediately when the wind drops . Another of the familiar experiences of the thermodynamic operations of the atmosphere is the ...
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Common terms and phrases
accuracy accurate adjusted altimeter aneroid angle anticyclone apparatus atmosphere axis balance barometer beam bulb calculated calibration centimetres centre cistern clock cloud coefficient compared constant convection correct corresponding curve cylinder decimetre density determined direction distance earth edge effective diameter electric entropy equal equation error formula gauges geoid geostrophic wind given graduated horizontal hydrometer ibid inch indicator instrument International invar isobars knife-edge latitude length lever liquid machine manometer mass means measured ment mercury Meteorological meter method metre micrometer microscope millibars millimetres motion National Physical Laboratory observations obtained parallel pendulum pitch plate plug pointer position potential gradient pressure radiation reading record ring rotation scale screw threads shown in Fig slide specific gravity standard suitable surface surface tension temperature thermometer thread tion tube upper usually variation velocity vertical water-vapour weight wheel wind wire
Popular passages
Page 570 - Every body continues in a state of rest, or of uniform motion in a straight line, unless it is compelled to change that state by a force impressed upon it.
Page 583 - Pendulum vibrating Seconds of Mean Time in the Latitude of London in a Vacuum at the Level of the Sea...
Page 21 - Radian is the angle subtended, at the centre of a circle, by an arc equal in length to the radius...
Page 586 - The standard pound is determined to be that standard pound troy weight, made in the year 1758, in the custody of the clerk of the house of commons ; such weight is to be denominated the imperial standard troy pound, and...
Page 584 - ... near to each end a cylindrical hole is sunk (the distance between the centres of the two holes being thirty-six inches) to the depth of half an inch, at the bottom of this hole is inserted in a smaller hole a gold plug or pin, about...
Page 395 - Newton generalized the law of attraction into a statement that every particle of matter in the universe attracts every other particle with a force which varies directly as the product of their masses and inversely as the square of the distance between them; and he thence deduced the law of attraction for spherical shells of constant density.
Page 586 - PS 1844, 1 lb.,' deposited in the office of the Exchequer, ' shall be the legal and genuine standard measure of weight,, and shall be and be denominated the Imperial Standard Pound Avoirdupois, and shall be deemed to be the only standard measure of weight from which all other weights and other measures having reference to weight shall be derived...
Page 447 - ... except in certain special parts, such as springs. Hence, if a solid piece is constrained in more than six ways it will be subject to internal stress, and will become strained or distorted, and this in a manner which, without the most exact micrometrical measurements, it would be impossible to specify. In instruments which are exposed to rough usage it may sometimes be advisable to secure a piece from becoming loose, even at the risk of straining and jamming it ; but in apparatus for accurate...
Page 586 - Avoirdupois be lost or in any manner destroyed, defaced, or otherwise injured, the Commissioners of Her Majesty's Treasury may cause the same to be restored by reference to or adoption of any of the copies aforesaid,1 or such of them as may remain available for that purpose.
Page 584 - ... parallel to the axis of the bar ; the measure of length of the imperial standard yard is given by the interval between the middle transversal line at one end and the middle transversal line at the other end, the part of each line which is employed being the point midway between the longitudinal lines ; and the said points are in this Act referred to as the centres of the said gold plugs or pins; and such bar is marked "copper 16 oz., tin 2J, zinc 1. Mr. " Baily's metal. No. 1. Standard yard at...