1922 Ad US No 4 DC Type Industrial Ozonizing Unit Factory Manufacturing IEC2 YRM1 He is mentioned to be

He is mentioned to be secretary of the interior if Ballinger should resign

The Peace Tower is located in Ottawa

craftmanship

carbonated

it is promoting the exchange of used cameras for money with which to buy War Bonds

1922 Ad US No 4 DC Type Industrial Ozonizing Unit Factory Manufacturing IEC2 YRM1 He is mentioned to beThis 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