This is an original 1922 black and white print ad for Cenco no. 9647 A-B and no. 9647 C-D electric heater units that were made and sold by the Central Scientific Company of 460 Ohio Street, Chicago, Illinois (IL).
This 91+ year old Item is rated Very Fine ++. Light aging throughout. Light creasing. There is light bleedthrough on this piece from the verso.
Period Paper is pleased to present a collection of vintage advertisements from The Journal of Industrial & Engineering Chemistry that's sure to appeal to science nerds and factory machinery enthusiasts alike. To continue browsing this unique collection, simply click on the link provided beneath the condition paragraph. Enjoy!
Keywords specific to this image: Vintage Advertising, Science