Dear Sir,
If you are doing repairing and calibration works of survey instruments - then I can provide you repair service manuals and user manuals of almost all makes all models - Auto Levels, Theodolites, total stations etc. Please contact me on my Email - srb180@hotmail.com for your requirements of any manuals. I can also supply spare parts for all types of survey instruments.
I also have Wild ZL Plummet (for upward Plumbing)and Zeiss Optical theodolite Model 010B - 1 sec. LC for sale.