Lehotzky, Ludwig, <br/><br/>
Elektrische Uhren und Signaleinrichtungen,  Lehrbuch und Nachschlagewerk für die Praxis. 

 - xii, 168 pages  diagrams  24 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Clocks and watches, Electric.<br/>Signals and signaling.<br/>Signaux et signalisation.<br/>Clocks and watches, Electric.<br/>Signals and signaling.
<br/><br/><label>Subjects--Index Terms: </label>Clock (general) Rudolf Bohmann, Wien Lehotzky, Ludwig electrical electromechanical   clock