THK 



PHOTO -ENGRAVING CO., 



67 TO 71 PARK PLACE, 

 NEW YORK. 



JOHN HASTINGS, President. 



A R. HART, Manager. 



BEST PROCESS OF PHOTO-ENGRAVING 

 IN USE, AND ESPECIALLY 

 ADAPTED FOR 



SCIENTIFIC ENGRAVING. 



SEND STAMP FOR ILLUSTRATED CIRCULAR. 



