Riefler, Sigmund,  1847-1912, <br/><br/>
Präzisions-Pendeluhren und Nickelstahl-Kompensationspendel / 
von S. Riefler. 
 - 40 pages :  illustrations ;  28 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pendulum.<br/>Clocks and watches--Escapements.<br/>Clocks and watches--Design and construction.
<br/><br/><label>Subjects--Index Terms: </label>Pendulum Science Germany Riefler Pendulum manual precision adjust escapement Riefler, Sigmund Wall clock