Circa 1943; range 0-25psi; d; 2-1/4in. dial.

---

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

Keywords: &, 1940s, 2, 20th, 2nd, adhesive, air, alloy, art, century, color, colour, company, concept, copper, decade, education, educational, engine, engraving, forties, fuel, gauge, glass, heritage, ii, indicator, institution, instrument, instruments-engine, manufacturing, museum, nasm, national, northern, object, paint, plastic, scientific, smithsonian, space, tape, technology, war, wax, world, ww2, wwii