1922 Ad US No 4 DC Type Industrial Ozonizing Unit Factory Manufacturing IEC2 YRM1 craftmanship

craftmanship

The Peace Tower is located in Ottawa

They are from the American Sole and Belting Leather Tanners

"The Conemaugh River near Florence

1922 Ad US No 4 DC Type Industrial Ozonizing Unit Factory Manufacturing IEC2 YRM1 craftmanshipThis is an original 1922 black and white print ad for the No. 4 DC type industrial ozonizing machine that was made and sold by the United States Ozone Company of Scottdale, Pennsylvania (PA). CONDITION This 91+ year old Item is rated Very Fine +++. Light aging throughout. There is light bleedthrough on this piece from the verso. Product Type: Original Print Ad; Black White Grade: Very Fine +++ Dimensions: Approximately 3. 5 x 10. 25 inches; 9 x 26 cm