 ... being about three feet above the surface, and the posts about four feet apart: then lay a plank, or piece of timber three or four inches in width, and smooth on the upper side, upon the posts, and let it be pinned or nailed, to hold it firmly. 2....  Elements of Surveying and Leveling - Page 141by Charles Davies - 1883 - 564 pagesFull view - About this book
 | Charles Davies - Surveying - 1830 - 390 pages
...nearly east and west ; the uppermost ends, when driven firmly, being about three feet above the surface, and the posts about four feet apart : then lay a plank,...piece of board four or five inches square, and smooth on the under side. Let one of the compass-sights be placed at right-angles to the upper surface of... | |
 | Charles Davies - Surveying - 1830 - 318 pages
...nearly east and west ; the uppermost ends, when driven firmly, being about three feet above the surface, and the posts about four feet apart : then lay a plank,...hold it firmly. 2. Prepare a piece of board four or fire inches square, and smooth on the under side. Let one of the compass-sights be placed at right-angles... | |
 | Charles Davies - Navigation - 1837 - 342 pages
...nearly east and west ; the uppermost ends, when driven firmly, being about three feet above the surface, and the posts about four feet apart : then lay a plank,...piece of board four or five inches square, and smooth on the under side. Let one of the compass-sights be placed at right angles to the upper surface of... | |
 | Charles Davies - Surveying - 1839 - 376 pages
...nearly east and west ; the uppermost ends, when driven firmly, being about three feet above the surface, and the posts about four feet apart : then lay a plank,...piece of board four or five inches square, and smooth on the under side. Let one of the compass-sights be placed at right angles to the upper surface of... | |
 | Charles Davies - Surveying - 1839 - 376 pages
...; the uppermost ends, when driven firmly, being about three feet above the surface, and the post» about four feet apart : then lay a plank, or piece...piece of board four or five inches square, and smooth on the under side. Let one of the compass-sights be placed at right angles to the upper surface of... | |
 | Charles Davies - Navigation - 1835 - 388 pages
...nearly east and west ; the uppermost ends, when driven firmly, being about three feet above the surface, and the posts about four feet apart: then lay a plank,...piece of board four or five inches square, and smooth on the under side. Let one of the compass-sights be placed at right angles to the upper surface of... | |
 | Charles Davies - Navigation - 1854 - 446 pages
...and west ; the uppermost ends, after the posts are driven, being about three feet above the surface, and the posts about four feet apart : then lay a plank,...timber three or four inches in width, and smooth on the tipper side, upon the posts, and let it be pinned or nailed, to hold it firmly. 2. Prepare a piece... | |
 | J. H. Hawes - Public lands - 1868 - 248 pages
...and west; the uppermost ends, after the posts are driven, being about three feet above the surface, and the posts about four feet apart ; then lay a plank,...and let it be pinned or nailed, to hold it firmly. 2d. Prepare a piece of board four or five inches square, and smooth on the under side. Let one of the... | |
 | J. H. Hawes - Public lands - 1868 - 252 pages
...and smooth on the upper side, upon the posts, and let it be pinned or nailed, to hold it firmly. 2d. Prepare a piece of board four or five inches square, and smooth on the under side. Let one of the compasssights be placed at right angles to the upper surface of the... | |
 | Charles Davies - Leveling - 1871 - 448 pages
...and west; the uppermost ends, after the posts are driven, being about three feet above the surface, and the posts about four feet apart: then lay a plank,...piece of board four or five inches square, and smooth on the under side. Let one of the compass-sights be placed at right angles to the upper surface of... | |
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