Fritts, Charles Edgar, <br/><br/>
The watch adjuster's manual :  being a practical guide for the watch and chronometer adjuster in making, springing, timing and adjusting for isochronism positions and temperatures / 
By Charles Edgar Fritts ("Excelsior"). 
 - [1st edition]. 
 - xi, 364 pages :  diagrams,  22 cm 
<br/><br/><label>LCCN: </label>04031433  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Clocks and watches--Repairing.<br/>Clocks and watches.
<br/><br/><label>Subjects--Index Terms: </label>Adjust USA Practical hairspring balance Watch (general)