Horological Science Newsletter / 
Ernest C. Martt 
 - Chagrin Falls :  National Association of Watch and Clock Collectors,  1992 
 - volumes :  illustrations ;  28 cm 
 - Began in 1992 
 - Horological Science Newsletter .
<br/><br/> Periodical with papers on theoretical and technical horological science subjects 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Clocks and watches--Periodicals.