Really want to build one of these on the Stevens campus: acoustic locator devices from the 1920s and 30s, built to help detect incoming aircraft.
Blimp Dock
Blimp dock, from sometime in the 1920s (via Library of Congress, via Core77)
Zeppelin Scaffolding
Scaffolding around a zeppelin being built, via Gizmodo.
Cogs
“Cogs” by Germaine Krull, ca 1929 (via Pinterest via an unlinkable Facebook post)
Corn-cob Radio
Crystal radio, built into a corn-cob pipe – from Popular Science, volume 101, #3 (Sept 1922).
