Brümmer, Gustav, <br/><br/>
Fachrechnen für Uhrmacher / 
Gustav Brümmer. 
 - 13. unveränd. Aufl. 
 - 108 pages :  illustrations ;  21 cm 
 - Die Uhrmacherschule ;  [Band 3] .
 - Uhrmacherschule ;  Bd. 3. .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Clock and watch making--Study and teaching.
<br/><br/><label>Subjects--Index Terms: </label>Mathematics Germany textbook Bruemmer, Gustav Timekeeper (general)