 | Colin Macfarquhar, George Gleig - Encyclopedias and dictionaries - 1797 - 442 pages
...indrument, and which are to be ufed as feftoral lines, proceed from the centre ; and are, i . Two fcales of equal parts, one on each leg, marked LIN. or L. each of thefe fcales, from the great extenfivenefs of its ufe, is called the line of lines. 2. Two lines of... | |
 | Robert Gibson - Surveying - 1811 - 580 pages
...of the instrument, and which are to be used as sectoral lines, proceed from the centre ; and arc, 1. Two scales of equal parts, one on each leg, marked LIN. or i.. Each of these scales, from the great extensiveness of its use, is called the line of' lines. 9.... | |
 | Robert Gibson - Surveying - 1814 - 558 pages
...of the instrument, and which are to be used as sectoral lines, proceed from the centre ; and are, 1. Two scales of equal parts, one on each leg, marked...extensiveness of its use, is called the line of lines. 4L. Two lines of chords, marked сно. or c. 3. Two lines of secants, marked SEC. or s. A line of... | |
 | Encyclopaedia Perthensis - 1816 - 746 pages
...the inttrumcnt, and which are to be tifed aa iVdoral lines, proceed from the centre ; .and are, i. Two Scales of equal parts, one on each leg, marked LIN. or L. each of thefe fcales, from the line of lines reprefents 100, the divifions of the firft order, or thofe to... | |
 | Robert Gibson - Surveying - 1821 - 594 pages
...proceed from the centre ; and are, 1. Two scales of equal parts, one on each leg, marked LIN. or i,. Each of these scales, from the great extensiveness...marked CHO. or c. 3. Two lines of secants, marked 8EC. or s. A line of polygons, marked POL. Upon the other face, the sectoral lines are, 1. Two lines... | |
 | Encyclopedias and dictionaries - 1823 - 936 pages
...of the instrument, and which are to be used as sectoral lines, proceed from the centre ; and are, i, Two scales of equal parts, one on each leg, marked...these scales, from the great extensiveness of its ose, ¡s called the line of lines. 2. Two lines of chords marked сно. or c. 3. Two lines of secants... | |
 | Thomas Curtis (of Grove house sch, Islington) - 420 pages
...the instrument, and which are to be used as sectoral lines, proceed from the centre ; and are, 1 . Two scales of equal parts, one on each leg, marked LIN. or i .; each of these scales, from the great extensiveness of its use, is called the line of lines. 2.... | |
 | Robert Gibson - Surveying - 1833 - 436 pages
...of the instrument, and which are to be used as sectoral lines, proceed from the centre, and are, 1. Two scales of equal parts, one on each leg, marked...the line of lines. 2. Two lines of chords, marked cuo. or c. 3. Two lines of secants* marked SEC. or s. A line of polygons, marked POL. Upon the other... | |
 | Robert Gibson, James Ryan - Surveying - 1839 - 452 pages
...of the instrument, and which are to be used as sectoral lines, proceed from the centre, and are, 1. Two scales of equal parts, one on each leg, marked...lines of chords, marked CHo. or c. 3. Two lines of secaittf. marked SEC. or s. A line of polygont, marked P0L. Upon the other face the sectoral lines... | |
 | John William Norie - Nautical astronomy - 1852 - 844 pages
...of the instrument, that is, once on each leg ; those on one face are, 1 . Two scales of equal parts, marked LIN. or L. ; each of these scales, from the great extensiveness of its use, is called the LINK OF LINES. 2. Two lines of chords, marked CHO. or C. 3. Two lines of secants marked SEC. or S.... | |
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The scales, or lines graduated upon the faces of the instrument, and which are to be used as sectoral lines, proceed from the centre, and are, 1. Two scales of equal parts, one on each leg, marked LIN. or L. Each of these scales, from the great extensiveness... 
