1934 Print Captain Stevens Anderson Science Valve Experiment Hot Balloon NGMA5 XGUC2 "The Lower Statuary on the

"The Lower Statuary on the Administration Building" This is an original 1894 halftone print of two of the many sculptures on the Administration Building at the 1893 Chicago World's Fair

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a rotary engine

This is an original 1926 black and white print ad promoting the Preston roofing shingles from Keystone Roofing Manufacturing Company located in York

This is an original 1950 black and white print ad for Coralox Spark Plugs from the AC Spark Plug Division of General Motors in Flint

1934 Print Captain Stevens Anderson Science Valve Experiment Hot Balloon NGMA5 XGUC2 "The Lower Statuary on theThis is an original 1934 black and white halftone print of Captain Stevens showing how a compression valve that released hydrogen gas when needed in a hot air balloon to Captain Anderson. CONDITION This 79+ year old Item is rated Very Fine +++. Light aging throughout. No creases. No natural defects. No surface rub. No tears. No water damage. Please note: There is printing on the verso. Product Type: Original Halftone Print; Black White Grade: Very