Askania Werke AG Recording Theodolite- Bambergwerk, Belin-Friedenau Ballon Theodolit
This German Recording Pilot Balloon Theodolite is likely early 1940's vintage. It has two separate telescopes systems, unlike its American or British contemporaries. This theodolite uses circles with embossing wheels to imprint on paper tape. It is very similar to a VEB Freiberger recording theodolite in the collection of Wilhelm Heger.
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The embossing circle recording theodolite design was continued with the Rosenhagen theodolite. Other mechanical recording designs used drums plotters as in the Dines and Buff and Buff systems and also circular charts as in the Zeiss system.
| Drive Type | Friction/Worm | Compass | No |
| Display Type | Vernier to .1 degree | Levels | 1, , bubble tube |
| Main Telescope | 50 mm 20 x | Mounting | Three level screws |
| Finder Telescope | 13mm
3x individual eyepieces |
Illumination | 1 reticule |
| Gun Site | Yes 1, main telescope | Weight | 11 kg |