Formeln für Photo-Optik und Gross-Uhren / 
compiled by J. Georg Rutschmann. 
 - 184 pages :  illustrations ;  21 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Clock and watch making--Tables (Data)<br/>Photography--Tables (Data)
<br/><br/><label>Subjects--Index Terms: </label>Clock (general) Germany Formulas formulary Clock advanced technical Mathematics 
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Handbooks and manuals.