Manufactured from 1904 to 1907 in Turnau (Turnov)
Founded by cousins Josef and František Žďárský (Zdarsky), the firm changed hands in 1906 with Karel Růžička (Ruzicka) the new owner. Models include the single-cylinder Type B 3.5 hp and the Type CD 4.5 hp V-twin, both of 1904, and a Type C 3.5 hp single in 1905.
Tragatsch gives manufacture dates of 1904-1924, and indicates that Josef Zdarsky then built Perun motorcycles until 1926.
Sources: GTU Oldtimerservice, idnes.cz, Tragatsch p293.
N.B. Possibly also referred to as Vulkan.
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