1945 Ad Penn Electric Switch Automatic Controls Air Compressors Vegetable FZ8 PPM1 Built over several years

Built over several years

The portrait of Clyde LaVerne Herring was done by an unknown artist

XAEA4C30 zz2058

This unique tonal range comes from photogravure's variable depth of etch --the shadows are etched many times deeper thaen the highlights unlike the halftone processes that merely vary dot size

Youngstown Ohio

1945 Ad Penn Electric Switch Automatic Controls Air Compressors Vegetable FZ8 PPM1 Built over several yearsThis is an original 1945 black and white print ad for the Penn Automatic Controls for heating, refrigeration, air conditioning, engines, pumps, and air compressors from Penn Electric Switch Company located in Goshen, Indiana. CONDITION This 66+ year old Item is rated Near Mint Very Fine+. No creases. No natural defects. No surface rub. No tears. No water damage. Product Type: Original Print Ad; Black White Grade: Near Mint Very Fine+ Dimensions: