1931 Ad General American Tank Car Train 1931 Discovery - ORIGINAL F1A OLYMPIC This unique tonal range comes

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

This is an original 1944 color print ad for Sylvania incandescent lamps

Wallace MacDonald ON THE REVERSE (but not shown): James Woods Morrison

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Keywords specific to this image: Flight

1931 Ad General American Tank Car Train 1931 Discovery - ORIGINAL F1A OLYMPIC This unique tonal range comesThis is an original 1931 black and white print ad for the General American Tank Car Corporation. CONDITION This 80+ 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: Approximately 10. 25 x 14 inches; 26 x 36 cm Authentication: Serial Numbered Certificate of Authenticity w Full Provenance Protection: