Porterfield Aircraft - 3rd Factory Location

[Brett Lovett]

2457 Charlotte Street, Kansas City, Missouri
This is also a photo taken in 1940 for tax assessment purposes.
Advertising indicates Porterfield was located here in 1936 & 1937.

The same location today:  https://maps.app.goo.gl/DKovz6mXMVLsCMks9

[Andy Gelston]

Now the pharmacy school, on the University of Missouri-Kansas City, Health Sciences campus, is located there.

Thank you so much for this research, Brett!