1922 Ad Swenson Tankwater Triple Effect Evaporator Industrial Machinery IEC2 XGFB9 there is a vertical mark

there is a vertical mark in the upper left of the item

Ralph de Palma

Greener Pastures

which was believed to be erected by Omar

This piece was illustrated by Rosai

1922 Ad Swenson Tankwater Triple Effect Evaporator Industrial Machinery IEC2 XGFB9 there is a vertical markThis is an original 1922 black and white print ad for the Triple Effect evaporator that was made and sold by the Swenson Evaporator Company of Harvey, Illinois (IL). CONDITION This 91+ year old Item is rated Very Fine ++. Light aging throughout. Light creasing. There is light bleedthrough on this piece from the verso. Product Type: Original Print Ad; Black White Grade: Very Fine ++ Dimensions: Approximately 8 x 11. 5 inches; 20 x 29 cm Authentication: