A Popular Course of Pure and Mixed Mathematics ...: With Tables of Logarithms, and Numerous Questions for Exercise |
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Σελίδα xvi
Galileo had failed in assigning the reason why water cannot be raised in pumps higher than thirty - three feet , but he had remarked , that if a pump is more than thirty - three feet in length , a vacuum will be left in it .
Galileo had failed in assigning the reason why water cannot be raised in pumps higher than thirty - three feet , but he had remarked , that if a pump is more than thirty - three feet in length , a vacuum will be left in it .
Σελίδα xxiv
Having admitted a beam of light into a dark chamber , through a hole in the window - shutter , and made it fall on a glass prism , he received the coloured spectrum on a board at the distance of about twelve feet from the first ...
Having admitted a beam of light into a dark chamber , through a hole in the window - shutter , and made it fall on a glass prism , he received the coloured spectrum on a board at the distance of about twelve feet from the first ...
Σελίδα xxviii
The sector was erected at Kew ; it was of great radíus , and furnished with a telescope twenty - four feet in length , with which they proposed to observe the transits of stars near the zenith , according to a method that was first ...
The sector was erected at Kew ; it was of great radíus , and furnished with a telescope twenty - four feet in length , with which they proposed to observe the transits of stars near the zenith , according to a method that was first ...
Σελίδα 32
A post is one - fifth in the earth , three - sevenths in water , and 13 feet out of the water ; what is the length of the post ? Solu . Let x = the length of the post ; Then = the part of it in the earth ; = 3 x Also 7 = the part of it ...
A post is one - fifth in the earth , three - sevenths in water , and 13 feet out of the water ; what is the length of the post ? Solu . Let x = the length of the post ; Then = the part of it in the earth ; = 3 x Also 7 = the part of it ...
Σελίδα 40
A post is in the mud , $ in the water , and 10 feet above the water ; what is its whole length ? Ans . 24 feet . 14. In a mixture of cider and wine , one - half of the whole plus 25 gallons was wine , and one - third part minus 5 ...
A post is in the mud , $ in the water , and 10 feet above the water ; what is its whole length ? Ans . 24 feet . 14. In a mixture of cider and wine , one - half of the whole plus 25 gallons was wine , and one - third part minus 5 ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
ABCD altitude axis base become called centre circle circumference co-efficient common cone consequently contained convergency curve denominator describe diameter difference distance divided draw drawn equal equation Examples expression factors feet figure fluxion four fraction function given gives greater half Hence infinite integral join less magnitudes manner measure meet meridian method Multiply opposite original parallel parallelogram pass perpendicular plane pole Prob probability Problem projection Prop proportional Proposition pyramid quantity radius ratio rectangle Reduce remaining represented result right angles root rule sides similar sine solid sphere square straight line subtract suppose taken tang tangent Theorem things third triangle vanishing whence Wherefore whole
Δημοφιλή αποσπάσματα
Σελίδα 172 - If, from the ends of the side of a triangle, there be drawn two straight lines to a point within the triangle, these shall be less than, the other two sides of the triangle, but shall contain a greater angle. Let...
Σελίδα 191 - If a straight line be divided into two equal parts, and also into two unequal parts, the rectangle contained by the unequal parts, together with the square on the line between the points of section, is equal to the square on half the line.
Σελίδα 190 - If a straight line be divided into any two parts, the rectangle contained by the whole and one of the parts, is equal to the rectangle contained by the two parts, together with the square of the aforesaid part.
Σελίδα 196 - AB be the given straight line ; it is required to divide it into two parts, so that the rectangle contained by the whole, and one of the parts, shall be equal to the square of the other part.
Σελίδα 192 - If a straight line be bisected and produced to any point, the rectangle contained by the whole line thus produced and the part of it produced, together •with the square on half the line bisected, is equal to the square on the straight line which is made up of the half and the part produced.
Σελίδα 177 - That, if a straight line falling on two straight lines make the interior angles on the same side less than two right angles, the two straight lines, if produced indefinitely, meet on that side on which are the angles less than the two right angles.
Σελίδα 209 - THE straight line drawn at right angles to the diameter of a circle, from the extremity of it, falls without the circle...
Σελίδα 284 - The bases of a cylinder are the circles described by the two revolving opposite sides of the parallelogram.
Σελίδα 286 - If two triangles have two angles of the one equal to two angles of the other, each to each, and one side equal to one side, viz. either the sides adjacent to the equal...
Σελίδα 179 - Therefore all the angles of the figure, together with four right angles, are equal to twice as many right angles as the figure has sides.