The history of PZO - or "Polish people have also something to boast of..." part I - Polish Optical Industries (PZO) – roots and history to 1944 - LensTip.com
Tardigradopedia on X: "Tardigrades and PZO microscope Studar H, educational microscope (1983) PZO: Polish Optical Industries: The company produced from simple magnifiers to professional microscopes including DIC accessories; production stopped in 1989.
PZO mikroszkóp komplett szett, sok lencsével komplett, fa dobozban | Darabanth Kft.