Circa 1939; 6cm long, wide; installed in fuel quantity gauge line.

---

Size: 3648px × 3648px
Photo credit: © Heritage Images / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: -magnetic, 1930s, 20th, adhesive, air, alloy, america, american, art, black, century, close, close-, color, colour, concept, country, education, educational, engine, fuel, gauge, heritage, ink, institution, instruments-engine, location, machine, makeshift, metal, museum, nasm, national, object, paint, part, precaution, quantity, repair, scientific, smithsonian, space, states, steel, tape, temporary, thirties, united, usa, valve, white