Burt, Owen H, <br/><br/>
The Welch, Spring & Company / 
by Owen H. Burt and Jo Burt (MI). 
 - 108 pages :  illustrations ;  23 cm 
 - A Supplement to the bulletin of the National Association of Watch and Clock Collectors, Inc. ;  12 .
 - National Association of Watch and Clock Collectors.  Bulletin. Supplement ;  12. .
<br/><br/>Includes bibliographical references (pages 106-107). 
<br/><br/><label>Subjects--Corporate Names: </label><br/>Welch, Spring & Company.
<br/><br/><label>Subjects--Topical Terms: </label><br/>Clocks and watches--United States.<br/>Clock and watch makers--United States.
<br/><br/><label>Subjects--Index Terms: </label>Clock (general) USA Welch Patti Burt, Owen H. History