HEIDUK was one of about 6 airscrew manufacturers acting in Austro-Hungary.
The Carpentry Center of Matthias Heiduk was located in Viena, Arndtstrasse 39.
Heiduk in Poland. In 1918 Poland Inherited aircraft from 3 ocupants, and Austro Hungary Empire was one of them. In the area of Cracow some aircraft were fitted with the props of this producer, at least one survived to our times:
Period Advert.Heiduk Propeller.
![Heiduk](https://polishpropellers.com/wp-content/uploads/2020/11/Heiduk.jpg)
AIrcraft Manufacturers Period Advert.
![Austro-DaimlerFX_zpsmxl13nim](https://polishpropellers.com/wp-content/uploads/2020/06/Austro-Daimler20FX_zpsmxl13nim.jpg)