Ohlson, Olof, <br/><br/>
Helpful information for watchmakers / 
by Olof Ohlson ; Waltham Watch Company. 
 - 11th edition. 
 - 37 pages :  illustrations ;  14 x 22 cm 
<br/><br/> Reprint of: Waltham, Mass : Waltham Watch Company, 1937. 
<br/><br/><label>Subjects--Corporate Names: </label><br/>Waltham Watch Company.
<br/><br/><label>Subjects--Topical Terms: </label><br/>Clocks and watches--Design and construction.
<br/><br/><label>Subjects--Index Terms: </label>Repair USA Waltham practical Ohlson, Olof Watch (general)