 | Thomas Sopwith - 1834 - 390 pàgines
...plans : — Engraved borders, exactly representing areas coinciding with those of surface stations, and almost impossible to draw the line with accuracy and...other line?, though even then many difficulties occur. " Let no one consider these reflections as the effect of too scrupulous exactness, or as an unnecessary... | |
 | Thomas Sopwith - 1838 - 336 pàgines
...is conceived as easy to be effected, is in practice attended with considerable difficulties." — " If the two points be very far distant, it is almost...other line, though even then many difficulties occur. " Let no one consider these reflections as the effect of too scrupulous exactness, or an unnecessary... | |
 | John Fry Heather - 1849 - 202 pàgines
...extent of the edges, then they are all three good f. " To draw a straight line between two points upon a plane, we lay a rule so that the straight edge thereof...when the circle is required to be of a large radius. " And let no one consider these reflections as the effect of too scrupulous exactness, or as an unnecessary... | |
 | Sir Henry Edward Landor Thuillier - 1851 - 826 pàgines
...extent of the edges, then they are all three good. " To draw a straight line between two points upon a plane, we lay a rule so that the straight edge thereof...when the circle is required to be of a large radius. " And let no one consider these reflections as the effect of too scrupulous exactness, or as an unnecessary... | |
 | John Fry Heather - 1851 - 208 pàgines
...straight edge thereof may just pass by the two points ; then moving a fine-pointed needle, or drawing-pen, along this edge, we draw A line from one point to...when the circle is required to be of a large radius. " And let no one consider these reflections as the effect of too scrupulous exactness, or as an unnecessary... | |
 | Lucius D. Gould - 1853 - 234 pàgines
...extent of the edges, then they are all three good. To draw a straight line between two points upon a plane, we lay a rule so that the straight edge thereof...when the circle is required to be of a large radius. "And let no one consider these reflections as the effect of too scrupulous exactness, or as an unnecessary... | |
 | Lucius D. Gould - 1857 - 464 pàgines
...the rule ; and, thirdly, it is very difficult to find a rule that shall be perfectly straight. S “ If the two points be very far distant, it is almost...when the circle is required to be of a large radius. “ And let no one consider these reflections as the effect of too scrupulous exactness, or as an unnecessary... | |
 | John Fry Heather - 1859 - 198 pàgines
...straight edge thereof may just pass by the two points ; then moving a fine-pointed needle, or drawing-pen, along this edge, we draw a line from one point to...when the circle is required to be of a large radius. " And let no one consider these reflections as the effect of too scrupulous exactness, or as an unnecessary... | |
 | John Fry Heather - 1866 - 228 pàgines
...straight edge thereof may just puss by the two points ; then moving a fine-pointed needle, or drawing-pen, along this edge, we draw a line from one point to...when the circle is required to be of a large radius. " And let no one consider these reflections as the effect of too scrupulous exactness, or as an unnecessary... | |
 | John Fry Heather - 1874 - 220 pàgines
...drawing-pen, along this edge, we draw a line from one point to the other, which, for common pnrposes, is sufficiently exact; but, where great accuracy is...when the circle is required to be of a large radius. " And let no one consider these reflections as the effect of too scrupulous exactness, or as an unnecessary... | |
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... along this edge, we draw a line from one point to the other, which, for common purposes, is sufficiently exact ; but, where great accuracy is required, it will be found extremely difficult to lay the rule equally with respect to both the points, so... 