Astronomical instrument. Historical artwork of an altazimuth instrument, which also houses a telescope. Altazimuths are used to measure altitude and a


Astronomical instrument. Historical artwork of an altazimuth instrument, which also houses a telescope. Altazimuths are used to measure altitude and azimuth (length in degrees of the arc from the horizon) of celestial bodies. An altazimuth mount is a mount for a telescope, which can rotate about horizontal and vertical axes. This artwork is taken from \The Circle of the Sciences\" published in 1862-7."


Size: 2463px × 3729px
Photo credit: © SHEILA TERRY/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: -4, -4b, 28, 1945, 20th, aeronautics, air, aircraft, america, american, aviation, base, black--white, century, corporation, flight, flying, force, helicopter, historical, history, hns-1, hoverfly, hovering, igor, jack, langley, march, mass, mass-produced, mass-production, monochrome, north, produced, production, reeder, rotary, rotary-winged, rotorcraft, sikorskly, sikorsky, states, technological, technology, test, united, usa, vehicle, virginia, winged, yr-4b