50mm dia; black with white markings;panel-mounted; electric.
Size: 3645px × 3645px
Photo credit: © Heritage Images / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: -magnetic, air, alloy, armed, army, art, cadmium, color, colour, concept, copper, corporation, country, education, educational, electric, engine, forces, fuel, gauge, hazmat, heritage, indicator, institution, instrument, instruments-engine, japan, japanese, location, machine, manufacturing, metal, military, museum, nasm, national, object, paint, plant, plastic, plating, scientific, smithsonian, space, steel, synchroniser, technology, war, warfare, wax, white, yokogawa, yokokawa