BLACK PRINTS.
BLACK PRINTS.
Inventors, Patentees, Engineers, Architects, Manufacturers,and others having Drawings of which they wishReproductions made, will find myImproved Black Prints(Sharp Black Lines on Dead White Ground)FAR SUPERIOR TO EVEN THE BEST BLUE PRINTS.This improved process of sun-printing from tracings is neat, clean, rapid, and sure, and as simple as blue-printing. Send for samples, and for prices of materials, or of prints made from your own tracings. Highest references and testimonials.
Inventors, Patentees, Engineers, Architects, Manufacturers,and others having Drawings of which they wishReproductions made, will find my
Improved Black Prints
(Sharp Black Lines on Dead White Ground)
FAR SUPERIOR TO EVEN THE BEST BLUE PRINTS.
This improved process of sun-printing from tracings is neat, clean, rapid, and sure, and as simple as blue-printing. Send for samples, and for prices of materials, or of prints made from your own tracings. Highest references and testimonials.
FERNAND PONTRICHET,Sole Proprietor,270 West 115th Street, NEW YORK.