![](http://www.alamy.com/thumbs/6/0678C4E3-F2F2-41F5-A509-607A7448C31F/2GGBP7T.jpg)
Width 140mm,h 200mm;range 20 degrees r&l,fore & aft 40 degrees
Size: 3648px × 3648px
Photo credit: © Heritage Images / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: 20th, air, alloy, aluminum, america, american, art, aviation, bank, century, close, close-, color, colour, copper, country, device, education, educational, flight, glass, gradient, grease, heritage, inclinometer, indicator, institution, instrument, instruments-flight, liquid, location, management, measurement, measuring, metal, museum, nasm, national, navigation, navigational, object, paint, panel, pencil, rieker, scientific, smithsonian, space, states, united, unknown, usa, wc