The adjusting collimator is suitable for testing and adjusting geodetic instruments, especially for levels and theodolites.
No. 701176 JUSKO
Precision tilting base to determine the sensitvity and the precision of the level curvature in mounted and unmounted condition.
No. 7060 LIKON
The double image comparator (base 1 m) is suitable for testing rulers with line graduations and levelling rods, particualarly Invar levelling rods.
No. 7301 PROEM
This testing instrument for very precise tests of graduated circles in angle measuring instruments according to the method of Prof. Roelofs, Delft.
No. 7038 PRURO