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TA 595 Es

LIST OF ILLUSTRATIONS.

Plate I. Contour Plan of Kinka River (at end of Book).

Fig. 1. Tacheometer Diaphragms

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Fig. 2. Levelling Staff, as viewed through Telescope
Fig. 3. Straight Vernier

Fig. 4. Theodolite Vernier .

Fig. 5. General View of Tacheometer

Fig. 6. Positions of Bubbles and Footscrews when levelling up

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Fig. 10. Diagram illustrating the effect of Vertical Angles

Fig. 11. Diagram illustrating the use of Vertical Angles in levelling
Fig. 12. Line with Substations

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Fig. 16. Special Protractor for plotting Spot-Levels

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Fig. 17. Reduction of Bearings for Calculation of Rectangular Coordinates

Fig. 18. Signs indicative of Direction, for Rectangular Co-ordinates

Fig. 19. Pointer for use with Traverse Tables

Fig. 20. Diagram for Calculation of Co-ordinates

Fig. 21. Circular Diagram giving Values and Signs of Co-ordinates
Fig. 22. Characteristics of Contours

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Fig. 23. Interpolator Scale for use in plotting Contours

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Fig. 24. Diagram illustrating Calculation of Bearings and Distances

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Fig. 26. The Calculation of Areas from Co-ordinates

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