1942 Ad AiResearch Inglewood Cabin Pressure Control Heat Transfer World War FZ4 XGA5 A sliver of paper got

A sliver of paper got into the shot which is what you see through the top of the letter

This is a small original 1899 black and white print ad promoting the Rice Methods from Dr

There is a small crease in the bottom margin (not shown) which does not affect the image

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Louis Waterfront

1942 Ad AiResearch Inglewood Cabin Pressure Control Heat Transfer World War FZ4 XGA5 A sliver of paper gotThis is an original 1942 black and white print ad for cabin pressure control systems and heat transfer products by AiReserach Manufacturing Company of Inglewood, California. CONDITION This 69+ year old Item is rated Near Mint Very Fine+. No creases. No natural defects. Some light surface rub. No tears. No water damage. Product Type: Original Print Ad; Black White Grade: Near Mint Very Fine+ Dimensions: Approximately 5 x 11. 5 inches; 13 x 29 cm