Dear Friends,
Moritz Grossmann, Der freie Ankergang für Uhren, 1866, Glashütte
Extremely rare atlas with 20 plans.
Grossmann was the founder of the clockmakers' school in Glashütte and worked with Lange & Söhne. Some of the plans of this work are used in the modern catalog of L&S.
This collector's item is for sale for a nice price on a well-known site
(only in German, I'm afraid)
