60mm dia;blank face;2 pressure tubes,3-pole

---

Size: 3643px × 3643px
Photo credit: © Heritage Images / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: -magnetic, 20th, air, airspeed, alloy, art, aviation, black, century, close, close-, color, colour, country, dom, education, educational, ferrous, flight, gauge, german, germany, heritage, institution, instruments-flight, location, machine, management, metal, museum, nasm, national, object, paint, part, pressure, scientific, smithsonian, space, transmitter, white