From Pepa Kratochvíl. Thank you.
Surveying towers used by surveyors to measure angles between geodetic points several to dozens of kilometres apart.
The inner tower has a table for the instrument; the outer tower is for movement, so vibrations do not move the instrument.
Regards, Křenek.
Thank you.
Please help us to identify who is on the photograph and date it.
This is automatically generated preview from raw scan. The quality of automatically generated previews might vary. The images are scanned in 16-bit depth and high resolution and it is possible to tune them, retouch the scratches and make details. See the galeries.