Land and marine surveying1868 - 184 pages |
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... NOTCHES IN OVERFALLS - RULES FOR GAUGING BY OVERFALLS - RAINFALL - NOTES ON GATHERING GROUNDS- VELOCITIES OF STREAMS AND RIVERS 150 CHAPTER XII . OFFICE WORK . LAND QUANTITIES -- PLANIMETER REDUCING PLANS -PANTAGRAPH - EIDO- GRAPH • 171 ...
... NOTCHES IN OVERFALLS - RULES FOR GAUGING BY OVERFALLS - RAINFALL - NOTES ON GATHERING GROUNDS- VELOCITIES OF STREAMS AND RIVERS 150 CHAPTER XII . OFFICE WORK . LAND QUANTITIES -- PLANIMETER REDUCING PLANS -PANTAGRAPH - EIDO- GRAPH • 171 ...
Page 90
... notch at the end of the arm , this instru- ment may be used in the manner of a circular protractor . ' This is by drawing a pencil line along the edge instead of using the steel point in the circular protractor . We shall have to return ...
... notch at the end of the arm , this instru- ment may be used in the manner of a circular protractor . ' This is by drawing a pencil line along the edge instead of using the steel point in the circular protractor . We shall have to return ...
Page 107
... notches on some of the sticks in the hedge : you may make a hole at the station and bury a piece of paper . Avoid , how- ever , making holes in the central portion of the road , as this might be productive of fatal accident , and get ...
... notches on some of the sticks in the hedge : you may make a hole at the station and bury a piece of paper . Avoid , how- ever , making holes in the central portion of the road , as this might be productive of fatal accident , and get ...
Page 148
... notches cut lightly into it ; it is armed with some sixty or seventy pounds of lead , to force it into the ground ; the piece of board at top is attached as a float , to make the plunger descend vertically ; it re- quires a little ...
... notches cut lightly into it ; it is armed with some sixty or seventy pounds of lead , to force it into the ground ; the piece of board at top is attached as a float , to make the plunger descend vertically ; it re- quires a little ...
Page 150
... NOTCHES IN OVERFALLS- RULES FOR GAUGING BY OVERFALLS - RAINFALL - NOTES ON GATHERING GROUNDS - VELOCITIES OF STREAMS AND RIVERS . We have referred in former chapters to the subject of surveys for canals and irrigations . The actual ...
... NOTCHES IN OVERFALLS- RULES FOR GAUGING BY OVERFALLS - RAINFALL - NOTES ON GATHERING GROUNDS - VELOCITIES OF STREAMS AND RIVERS . We have referred in former chapters to the subject of surveys for canals and irrigations . The actual ...
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Common terms and phrases
adjustment arrow ascertain base line beam compasses box sextant broad arrow centre chain line chainage chainman Chap clamp cloth co-efficients coincide compass correct cosine coversine depth difference distance divisions draw edge engineering equal error exactly feet long fence field book fixed gamboge gauge give Gunter's chain half high water horizon glass inches instance instrument intersection leader length loosen lunitidal intervals manner mark means measure ment minutes notch object observations obtained offset staff Outfall Sewer overfall Oyster Rock paper parallel parallel ruler pencil plot pole practice prick protractor quantity Railway rain gauge rainfall reading referred right angles road scale side sight sine square station straight line straight-edge streams suppose survey surveyor Tables taken telescope theodolite tie line timber tion tracing traverse triangle TRIGONOMETRY turn vernier plate vertical W. D. Hamilton woodcuts zero
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