Rudimentary treatise on mensuration and measuring |
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Page 93
... fore , be frequently examined , and adjusted to the proper length by taking out some of the rings between the links ... sights at right angles to each other , or more commonly with two fine grooves sawed at right angles to each other , which ...
... fore , be frequently examined , and adjusted to the proper length by taking out some of the rings between the links ... sights at right angles to each other , or more commonly with two fine grooves sawed at right angles to each other , which ...
Page 120
... sight . The instrument is then conveyed to D , and the staff that stood at A is now removed to E , the staff C ... sight on staff A Fore sight on staff C 10.66 feet 11.78 99 The fall from A to C 1.12 difference . ........ Because ...
... sight . The instrument is then conveyed to D , and the staff that stood at A is now removed to E , the staff C ... sight on staff A Fore sight on staff C 10.66 feet 11.78 99 The fall from A to C 1.12 difference . ........ Because ...
Page 121
... Fore sight on staff E 13.36 9.16 The rise from C to E 4.20 difference . Subtract the fall from A to C .. 1.12 The ... sights . Back sights . feet . feet . 10.66 at A 11.78 at C 13:36 at C 9.16 at E 7.62 at E 8.16 at G sums 31.64 29.10 ...
... Fore sight on staff E 13.36 9.16 The rise from C to E 4.20 difference . Subtract the fall from A to C .. 1.12 The ... sights . Back sights . feet . feet . 10.66 at A 11.78 at C 13:36 at C 9.16 at E 7.62 at E 8.16 at G sums 31.64 29.10 ...
Page 122
Thomas Baker (C.E.). LEVEL BOOK . Back Fore Reduced Fall . Rise . Sights . Sights . Levels . Distances in Chains , and Remarks . 3.50 5.65 2.15 2.15 4.60 at b on road . 4.10 10.85 6.75 8.90 7.80 at c . 5.04 9.25 4.21 13.11 11.60 at d ...
Thomas Baker (C.E.). LEVEL BOOK . Back Fore Reduced Fall . Rise . Sights . Sights . Levels . Distances in Chains , and Remarks . 3.50 5.65 2.15 2.15 4.60 at b on road . 4.10 10.85 6.75 8.90 7.80 at c . 5.04 9.25 4.21 13.11 11.60 at d ...
Page 123
... Fore Sights . Sights . Rise . Fall . Reduced Dist- Levels . Remarks . ances . feet . feet . feet . feet . feet . chains . 100.00 D 3.50 5.65 2.15 97.85 4.60 6.75 91.10 7.80 { BM on road ' to lime kilns . 4.10 10.85 5.04 9.25 4.21 86.89 ...
... Fore Sights . Sights . Rise . Fall . Reduced Dist- Levels . Remarks . ances . feet . feet . feet . feet . feet . chains . 100.00 D 3.50 5.65 2.15 97.85 4.60 6.75 91.10 7.80 { BM on road ' to lime kilns . 4.10 10.85 5.04 9.25 4.21 86.89 ...
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Common terms and phrases
12 feet 20 feet A B C AMEN CORNER axis Baker's Land base bottom width centre chains Charles Tomlinson chord circle circular circumference content in cubic correction for curvature cubic feet cubic foot cubic yards curve decagon decimals depths diagonal diameter distance Duodecimals Engineering Surveying equal EXAMPLES feet 6 inches feet long figure find the area find the content find the solidity foot fore sights formula frustrum given ground half height instrument Land and Engineering length level book measured method miles multiply NOTE offsets parabola perpendicular polygon Prob PROBLEM pyramid quantity quarter girt radius railway cutting refraction required the area Required the content RULE RULE.-Multiply S. P. Woodward screws segment side slopes SLIDING RULE spirit level square feet square yards staves subtract Table tangent telescope trapezium VIRTUE BROTHERS W. D. Hamilton zone
Popular passages
Page 3 - The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; and each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds ; and these into thirds, &c.
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Page 81 - Large and plain articles are usually measured by the square foot or yard, &c; but enriched mouldings, and some other articles, are often estimated by running or lineal measure •, and some things are rated by the piece. In measuring of Joists...
Page 86 - GLAZIERS' WORK. — Glaziers take their dimensions either in feet, inches, and parts ; or feet, tenths, and hundredths. And they compute their work in square feet. In taking the length and breadth of a window, the cross bars between the squares are included. Also, windows of round or oval forms are measured as square, measuring them to their greatest length and breadth, on account of the waste in cutting the glass.