Das Drehen von Trieben und Wellen in der Uhrmacherei / Alfred Helwig ; mit einem Anhang: Das Drehen einer Schweizer Unruhwelle in der Spannzange / Karl Friebel.

By: Contributor(s): Material type: TextTextPublisher: Halle (Saale) : W. Knapp, 1953Edition: 3., neubearb. AuflDescription: 88 pages : illustrations ; 21 cmContent type:
  • text
Media type:
  • unmediated
Carrier type:
  • volume
Subject(s):

Includes index.

31560000035523 5672

An essay of detailed instructions, with 109 illustrations, by the fanous director of the Glasshuette Watchmakers school. Third edition of this classic text on Balance staff turning (between centers) augmented by an instruction on how do do it in collets.

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