Bock, Hermann,  1872-, <br/><br/>
Kritische Theorie der freien Rieflerhemmung. 

 - 68 pages  diagrams 
<br/><br/><label>ISBN: </label>3662388936 9783662388938 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Clocks and watches--Escapements.
<br/><br/><label>Subjects--Index Terms: </label>biography   watch Julsius Springer Verlag, Berlin Bock H. EscapmentScie Clock (general)