1. Re - run of fine levelling procedure Position a Bubble follows LEFT THUMB

2. Position a

4. Position b 90 0 to position a Bubble still follows LEFT THUMB

5. Position b 90 0 to position a Bubble still follows LEFT THUMB

6. Position b 90 0 to position a

7. Position a Repeat position a)

8. Position a Repeat position a)

9. Position c Bubble drift is 3 divisions Remove half the drift i.e. 1.5 divisions

10. Position c Bubble drift is 3 divisions Remove half the drift i.e. 1.5 divisions (using two footscrews)

11. Position d Bubble drift is 3 divisions Remove half the drift i.e. 1.5 divisions

12. Position d Bubble drift is 3 divisions Remove half the drift i.e. 1.5 divisions (using one footscrew) The bubble is now “FROZEN” in 1.5 divisions to the left and should stay this much out wherever it is rotated to.

13. SCREWS and Optical Plummet LEGS and Pond Bubble SCREWS and Plate Bubble HEAD and Optical Plummet SCREWSLEGSSCREWSHEADSCREWSLEGSSCREWSHEADSCREWSLEGSSCREWSHEADSCREWSLEGSSCREWSHEADSCREWSLEGSSCREWSHEADSCREWSLEGSSCREWSHEAD

14. Locking Wing Nut Arrow pointing up - Theodolite is released

15. Target

16. Vertical Circle - (for vertical angles) Face Left F/L

17. Transit Telescope Rotate Theodolite

18. Face Right (F/R)