Erroll, David <br/><br/>
American genius : nineteenth-century bank locks and time locks 

 - 1st ed 
 - New York:  distributed by W.W. Norton, Quantuck Lane Press,  2006 
 - 367 p. : chiefly col. ill. ; 27 cm 
<br/><br/><label>ISBN: </label>9781593720162 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Locks and keys - United States - History - 19th century
<br/><br/><label>Dewey Class. No.: </label>683.32 ERR