In the late 1930s, the Engineering and Research Corporation tested their latest plane, the Ercoupe, at an airstrip near College Park, Maryland. https://t.co/WL029JgXYN #MDHistory In the late 1930s, the Engineering and Research Corporation tested their latest plane, the Ercou…
— Kenneth Samson (@PangurBanC) Dec 13, 2021
from Twitter https://twitter.com/PangurBanC
December 13, 2021 at 09:03AM
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