Right lines in their places; or, The first principles of drawing and design without instruments |
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Página 44
... many ways . The bottom line , A B , of the triangle , Fig . 22 , is called the BASE . Now , to draw an equilateral triangle , draw a per - pen - dic - u - lar at C , exactly in the middle of the line A B. On this per 44 RIGHT LINES.
... many ways . The bottom line , A B , of the triangle , Fig . 22 , is called the BASE . Now , to draw an equilateral triangle , draw a per - pen - dic - u - lar at C , exactly in the middle of the line A B. On this per 44 RIGHT LINES.
Página 46
... base line , and secondly , that the lengths of the three sides must be equal . When you have drawn the triangle very lightly and before you repeat the lines , turn your drawing so that the line D A may be horizontal , and if your figure ...
... base line , and secondly , that the lengths of the three sides must be equal . When you have drawn the triangle very lightly and before you repeat the lines , turn your drawing so that the line D A may be horizontal , and if your figure ...
Página 48
... 24 A 25 B You will observe that although the base of each of these triangles is of a different length to the sides , still a per - pen - dic - u - lar drawn from the point where the two equal sides meet will fall exactly over 48 RIGHT ...
... 24 A 25 B You will observe that although the base of each of these triangles is of a different length to the sides , still a per - pen - dic - u - lar drawn from the point where the two equal sides meet will fall exactly over 48 RIGHT ...
Página 51
... base ; but in the Scalene triangle this is not so . The perpendicular dropped from C meets the base line in D , and if you look at the above figure you 27 D B Sca - lene Triangle , will see D 2 RIGHT LINES IN THEIR RIGHT PLACES . 51.
... base ; but in the Scalene triangle this is not so . The perpendicular dropped from C meets the base line in D , and if you look at the above figure you 27 D B Sca - lene Triangle , will see D 2 RIGHT LINES IN THEIR RIGHT PLACES . 51.
Página 56
... base half the length of the base of the triangle , and its height equal to the height of the triangle ; for you will see that in Fig . 30 A B is half of A F , and A C is the same as B D. 2. That a parallelogram equal to a triangle may ...
... base half the length of the base of the triangle , and its height equal to the height of the triangle ; for you will see that in Fig . 30 A B is half of A F , and A C is the same as B D. 2. That a parallelogram equal to a triangle may ...
Términos y frases comunes
15 large Cakes A B C Acute Angle arch bisect blue and red blue and yellow Brushes and Saucers centre colour-boxes complete the square Containing 15 large copy curve Decagon describe a Circle diagonals draw a line draw lines Draw perpendiculars Draw the diameter draw the lines draw your circle Ellipse figure firstly draw five triangles fourteen points G and H Gamboge German Silver green heptagon horizontal I-namely Indian Ink Indian yellow inscribe isosceles triangles Ivory Ruling Pen lake length lesson line A B lines C D lines drawn lock and key look mark meet mixed Nonagon octagon Orange painting parallel pass pentagon polygon produce Protractor Prussian Blue Purple quadrant radii radius Regular Hexagon remember Rhombus Scalene Triangle secondary colour semicircle Sepia shaded shutters sides is called stones straight line tangent teach three Compasses touch Trapezium upright Vandyke Brown
Pasajes populares
Página 112 - Rub the paint firmly, but not too heavily, or you will not get the colour smooth. Be careful to hold the cake upright, so as to keep the edge flat. When you have rubbed as much colour as you think you are likely to want, do not at once put the cake back...
Página viii - Of four-sided figures, a square is that which has all its sides equal, and all its angles right angles.
Página 81 - Polygons are those which have more than four sides. They receive particular names from the number of their sides ; thus a pentagon has five sides, a hexagon has six sides, a heptagon seven, an octagon eight, a nonagon nine, a decagon ten, an undecagon eleven, and a dodecagon has twelve sides.
Página 57 - TRIANGLES upon the same base, and between the same parallels, are equal to one another.
Página xvi - Panizzi was one of those who felt sincerely that " whatever is worth doing at all is worth doing well...
Página 84 - For the polygon may be divided into as many triangles as it has sides, less two (417); and the angles of these triangles coincide altogether with those of the polygon. The sum of the angles of each triangle is two right angles. Therefore, the sum of the angles of the polygon is equal to twice as many right angles as it has sides, less two.
Página 113 - ... be too dark. When you have laid on your colour do not touch it again whilst wet. If it should require retouching let this be done when it has dried, as you will generally make it worse by stirring about* in the wet colour, and will be likely to rub up the surface of the paper. Wherever it is possible, use a large brush in preference to a smaller one, as you will by this means be...
Página 123 - ... addition of Ruling Pen and Horn Protractor ..... . .20 53. Deal Wood Box, painted, Compass, Pen and Pencil, Ruling Pen, Lengthening Bar, Horn Protractor, Drawing Pins, Indian Ink, and Rule . . .26 54. Same, ditto, with Two Compasses . . . .30 55. Same, ditto (54-in.