80mm diameter; 3-1/8in. dial; used with resistance bulb; 24v.

---

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

Keywords: -magnetic, ., air, alloy, art, cadmium, color, colour, edison, education, educational, engine, fuel, gauge, glass, hazmat, heritage, incorporated, indicator, institution, instrument, instruments-engine, metal, museum, nasm, national, object, paint, pencil, plating, rubber, scientific, smithsonian, space, technology, temperature, thomas, wax