The apparatus for reading of the commutator of D. C. machine

Bibliographic Details
Main Author: Veselka, F. (Author)
Format: Article
Language:English
PhysicalDescription:Obr. 6. Res. angl., lit. 3 zázn. v češ.
Subjects:
Description
Physical Description:Obr. 6. Res. angl., lit. 3 zázn. v češ.