Die Uhrmacher-Gehilfenprüfung.
König, Willi, 1884-
Die Uhrmacher-Gehilfenprüfung. - viii, 104 pages : illustrations ; 21 cm
Clock and watch making--Study and teaching.
Clock and watch making.
Clocks and watches.
Education Germany Journeyman Textbook Watch (general)
Die Uhrmacher-Gehilfenprüfung. - viii, 104 pages : illustrations ; 21 cm
Clock and watch making--Study and teaching.
Clock and watch making.
Clocks and watches.
Education Germany Journeyman Textbook Watch (general)