 | Cambridge Philosophical Society - 1822 - 566 sider
...easiest to draw of any angle in nature. It may instantly be found represented in the plate, fig. 1, so as to contain with the former ruler, in either...should be of such a size, that when its shoulders a and '/ are in contact with, and rest against the edges of the first ruler, the edge of the second ruler... | |
 | Olinthus Gregory - 1834 - 472 sider
...the second may at pleasure be put into either of the two positions represented in the plate, fig. 1, so as to contain with the former ruler, in either...that when its shoulders a and d are in contact with, snd rest against the edges of the first ruler, the edge of the second ruler should coincide with de,... | |
 | Olinthus Gilbert Gregory - 1848 - 572 sider
...second may at pleasure be put into either of the two positions represented in Plate XIII. 'fig. 1, so as to contain with the former ruler, in either position, an angle of CO degrees. The groove should be of such a size, that when its shoulders n and it are in rontact with,... | |
 | Olinthus Gregory - 1863 - 482 sider
...the second may at pleasure be put into either of the two positions represented in the plate, fig. 1, so as to contain with the former ruler, in either position an angle of 60 degrees. Tho groove should he of such a size, that when its shoulders a and >/ are in contact with, and rest... | |
 | Cambridge Philosophical Society - 1822 - 560 sider
...easiest to draw of any angle in nature. It may instantly be found represented in the plate, fig. 1, so as to contain with the former ruler, in either...position, an angle of 60 degrees. The groove should be of snch a size, that when its shoulders a and '/ are in contact with, and rest against the edges of the... | |
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... so as to contain with the former ruler, in either position, an angle of 60 degrees. The groove should be of such a size, that when its shoulders a and (/ are in contact with, and rest against the edges of the first ruler, the edge of the second ruler... 