THE PLANE-TABLE AND ITS USE IN TOPOGRAPHICAL SURVEYING1869 |
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Página 16
... E G ' 1411.6 5646.3 F . 142.3 · F 5649.1 1 Diagram illustrating the mode of constructing the Conic Projection for Plane Table Work , Scale 10,000 1 Scale of Diagram , 80,000 2.1 Ꭰ 40 ° 31 ' E Case 5 Case 4 Class 3 Clás B ass Ende.
... E G ' 1411.6 5646.3 F . 142.3 · F 5649.1 1 Diagram illustrating the mode of constructing the Conic Projection for Plane Table Work , Scale 10,000 1 Scale of Diagram , 80,000 2.1 Ꭰ 40 ° 31 ' E Case 5 Case 4 Class 3 Clás B ass Ende.
Página 34
Case 5 Case 4 Class 3 Clás B ass Ende milate Cases Case 4 In Range Cage 6 Class 2 Indeterminate Class נא Class 1 Casel Case 2 Indeterminate Case B Range Class Case 4 Class 3 Class 3 Case 4 D Case Class 2 Case 3 ( 3Points in Range ) ( Class ...
Case 5 Case 4 Class 3 Clás B ass Ende milate Cases Case 4 In Range Cage 6 Class 2 Indeterminate Class נא Class 1 Casel Case 2 Indeterminate Case B Range Class Case 4 Class 3 Class 3 Case 4 D Case Class 2 Case 3 ( 3Points in Range ) ( Class ...
Página 35
... CLASS 1. - When the point sought falls within the great triangle , the true point is within the triangle of error . ( Case 1 , Plate No. 3. ) CLASS 2. - When the point sought falls within either of the three segments of the great circle ...
... CLASS 1. - When the point sought falls within the great triangle , the true point is within the triangle of error . ( Case 1 , Plate No. 3. ) CLASS 2. - When the point sought falls within either of the three segments of the great circle ...
Página 36
CLASS 3. - When the point sought falls without the great circle and within the sector of either angle of the great ... classes given above , also the location of each of the cases included in those classes . A point on the circumference ...
CLASS 3. - When the point sought falls without the great circle and within the sector of either angle of the great ... classes given above , also the location of each of the cases included in those classes . A point on the circumference ...
Página 69
... class were at first generally regarded by scientific men as merely ingenious inventions , and not as valuable in most respects as the ordinary method of chaining , the filling in of details form- ing a principal exception . From the ...
... class were at first generally regarded by scientific men as merely ingenious inventions , and not as valuable in most respects as the ordinary method of chaining , the filling in of details form- ing a principal exception . From the ...
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25 cents 50 cents accuracy adjustment alidade axis brass BRIDGES centre chain circle clamp Cloth Coast Survey construction contours correct cross-hairs curves declinatoire depression determined diagram direction distance Edition Engineers engravings Feet fiducial edge field forward line forward signal GEOLOGY OF PENNSYLVANIA Graphical Statics ground HAND-BOOK height hills horizontal Hypsometry instrument intersection line of sight lines drawn lithographic plates marked means measured meridian metal method metres middle point minutes of arc Morocco necessary objects observed Paper covers parallel pencils perpendicular placed plane plane-table plotted points point occupied point sought falls PRACTICAL TREATISE Prof projection QUALITATIVE CHEMICAL ANALYSIS resection right angles rule scale sheet shore line side sketching Slide Valve slope station Steam Steel straight edge surveyor taken tangent screw telemeter telescope tion topographer triangle of error triangulation points true point U. S. Navy vertical arc wood-cuts Yale College ZERAH COLburn
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