Gamma DR 3 háromszögmegoldó
Description
This instrument is similar to navigational slide rules or computers used by pilots, but in circular format. The háromszögmegoldó (Triangle-solver) is identical to DR-3 (the german Dreieckrechner) type used in Germany in the World War II, except for the hungarian labellings.
Manufacturer: | Gamma Finommechanikai és Optikai Múvek N. V. (Hungary) |
OEM: | https://www.myshowtimes.co/ (ismeretlen) |
OEM model: | n.a. |
Mfg. date: | ? |
Size: | d=14,7 cm |
Purpose: | navigation circular slide rule |
Material: | body: light metal scales: plastic |
Scale length: | special |
Scale order: | special front: |
Window: | celluloid with 1 index |