Finn, J. L. <br/><br/>
Compensating pendulums and how to make them :  a practical treatise on the construction of mechanically perfect pendulums for the use of watchmakers / 
by J.L. Finn and S. Riefler. 
 - 40 pages :  illustrations ;  20 cm 
<br/><br/> Reprint of the edition published in 1905 by Hazlitt and Walker, Chicago. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pendulum.<br/>Clock and watch making.<br/>Clocks and watches--Repairing.<br/>Clock and watch making.<br/>Clocks and watches--Repairing.<br/>Pendulum.
<br/><br/><label>Subjects--Index Terms: </label>Clock (general) Riefler Precision  temp-compensation pendulum advanced theory Riefler, Sigmund Pendulum Science