The Elements of Euclid: Viz. the First Six Books, with the Eleventh and Twelfth. In which the Corrections of Dr. Simson are Generally Adopted, But the Errors Overlooked by Him are Corrected, and the Obscurities of His and Other Editions Explained. Also Some of Euclid's Demonstrations are Restored, Others Made Shorter and More General, and Several Useful Propositions are Added. Together with Elements of Plane and Spherical Trigonometry, and a Treatise on Practical Geometry |
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Seite 6
By Practical Geometry is here meant , the method of expressing the magnitude of lines , superficies , & c . by means of the measures in coinmon use , such as inches , inches , feet , & c . for which purpose 6 PRE FACE .
By Practical Geometry is here meant , the method of expressing the magnitude of lines , superficies , & c . by means of the measures in coinmon use , such as inches , inches , feet , & c . for which purpose 6 PRE FACE .
Seite 7
inches , feet , & c . for which purpose , it is assumed , that the magnitudes concerned are all commensurable , or rather , that they exceed commensurable magnitudes , by differences too inconsiderable to be taken notice of ; so that ...
inches , feet , & c . for which purpose , it is assumed , that the magnitudes concerned are all commensurable , or rather , that they exceed commensurable magnitudes , by differences too inconsiderable to be taken notice of ; so that ...
Seite 315
The first treats of Lines and Angles ; the second of Superficies ; and the third of Solids . PART I. OF LINES AND ANGLES . The Icast measure of lines with us , is an inch , 12 of which make a foot ; and 3 feet make a yard .
The first treats of Lines and Angles ; the second of Superficies ; and the third of Solids . PART I. OF LINES AND ANGLES . The Icast measure of lines with us , is an inch , 12 of which make a foot ; and 3 feet make a yard .
Seite 316
The Scots inch is a little longer than the English inch , for 185 Scots inches make 186 English inches . There are 37 Scots inches in an ell , and 24 ells in a Scots chain , 80 of which make a Scots mile ; so that s5 Scots miles are ...
The Scots inch is a little longer than the English inch , for 185 Scots inches make 186 English inches . There are 37 Scots inches in an ell , and 24 ells in a Scots chain , 80 of which make a Scots mile ; so that s5 Scots miles are ...
Seite 318
In this figure the icoth part of an inch is taken for a foot . Draw any straight line AB , and take 235 feet from the scale , and place it from A to B , which determines its length ; at B make , by Prob .
In this figure the icoth part of an inch is taken for a foot . Draw any straight line AB , and take 235 feet from the scale , and place it from A to B , which determines its length ; at B make , by Prob .
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ABCD alſo altitude angle ABC angle BAC arch baſe becauſe biſect Book caſe centre circle circumference common cylinder definition demonſtrated deſcribed diameter difference divided double draw drawn equal equal angles equiangular equimultiples fall fame fides figure firſt folid fore four fourth greater half inches join leſs Let ABC magnitudes mean meaſure meet oppoſite parallel parallelogram parallelopiped paſs perpendicular plane priſm PROB produced PROP proportionals propoſition proved pyramid radius ratio rectangle contained rectilineal remaining right angles ſame ſame manner ſame multiple ſame reaſon ſecond ſegment ſhall ſides ſimilar ſolid ſquare ſtraight line ſum taken tangent THEOR theſe third touches triangle triangle ABC twice uſe Wherefore whole
Beliebte Passagen
Seite 30 - If two triangles have two angles of the one equal to two angles of the other, each to each, and also one side of the one equal to the corresponding side of the other, the triangles are congruent.
Seite 142 - If two triangles have one angle of the one equal to one angle of the other and the sides about these equal angles proportional, the triangles are similar.
Seite 13 - Let it be granted that a straight line may be drawn from any one point to any other point.
Seite 30 - ... then shall the other sides be equal, each to each; and also the third angle of the one to the third angle of the other. Let ABC, DEF be two triangles which have the angles ABC, BCA equal to the angles DEF, EFD, viz.
Seite 72 - The diameter is the greatest straight line in a circle; and of all others, that which is nearer to the centre is always greater than one more remote; and the greater is nearer to the centre than the less. Let ABCD be a circle, of which...
Seite 57 - If then the sides of it, BE, ED are equal to one another, it is a square, and what was required is now done: But if they are not equal, produce one of them BE to F, and make EF equal to ED, and bisect BF in G : and from the centre G, at the distance GB, or GF, describe the semicircle...
Seite 145 - AC the same multiple of AD, that AB is of the part which is to be cut off from it : join BC, and draw DE parallel to it : then AE is the part required to be cut off.
Seite 48 - If a straight line be divided into any two parts, the square of the whole line is equal to the squares of the two parts, together with twice the rectangle contained by the parts.
Seite 35 - F, which is the common vertex of the triangles ; that is, together with four right angles. 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.
Seite 10 - When a straight line standing on another straight line makes the adjacent angles equal to one another, each of the angles is called a right angle; and the straight line which stands on the other is called a perpendicular to it.
Bibliografische Informationen
| Titel | The Elements of Euclid: Viz. the First Six Books, with the Eleventh and Twelfth. In which the Corrections of Dr. Simson are Generally Adopted, But the Errors Overlooked by Him are Corrected, and the Obscurities of His and Other Editions Explained. Also Some of Euclid's Demonstrations are ... |
| Autor/in | Alexander Ingram |
| Verlag | J. Pillans & sons, 1799 |
| Original von | University of Michigan |
| Digitalisiert | 8. Juni 2007 |
| Länge | 351 Seiten |
| Zitat exportieren | BiBTeX EndNote RefMan |