Central scientific company, Chicago. [from old catalog] <br/><br/>
Catalog F ... :  physical apparatus and instruments,. 

 - Chicago :  1929. 
 - 601 v.  illus. ;  29 cm. 
 - Unknown 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physical instruments--Catalogs. [from old catalog]