14th Century astrolabic quadrant, the instrument combines Islamic design and French astronomical values. Dated 14th Century Stock Photo - Alamy
The quadrant was the earliest astronomical instrument converted for nautical use. It was used to determine the altitude of the Polestar or sun and, concurrently, the location of the ship in degrees
Astronomical Quadrant for sale - Medieval Astronomy Device – Obscuriosity
487 Quadrant Instrument Of Measurement Stock Photos, High-Res Pictures, and Images - Getty Images
Quadrant (U.S. National Park Service)
Quadrant (instrument) - Wikipedia
Gunter's Quadrant – Zaytoun AlJundi
gunter quadrant; shadow-box | British Museum
Barn find quadrant identified as one of Britain's earliest scientific instruments
The Gunter Quadrant and Practical Knowledge | Whipple Museum
Wndsn Mini Horary Quadrant Telemeter (MHqTM) 7x6x500q90i45 Brass
Quadrant (instrument) - Wikipedia
Navigation: The Mariner's Quadrant
Levels - The Construction & Principal Uses of Mathematical Instruments
487 Quadrant Instrument Of Measurement Stock Photos, High-Res Pictures, and Images - Getty Images
457 Quadrant Instrument Images, Stock Photos & Vectors | Shutterstock
horary quadrant; altitude dial; sundial | British Museum
Sextant Navigational Instrument Quadrant Clip Art, PNG, 2099x2132px, Sextant, Area, Black And White, Celestial Navigation, Drawing
Category:Quadrants (instrument) - Wikimedia Commons
CDP - Navigational Instruments
ION Museum: Gunter's quadrant
Quadrant by Blaeu, 1662, Atlas Maior - CartaHistorica
Navigational Instruments - Segment 1 of 4 - "Quadrant" - YouTube
Maritime, Instrument, Radius Quadrant, Astronomy, Scientific, Italian – George Glazer Gallery, Antiques
History
Amazon.com: Vintage Wooden Marine Octant Reflecting Instrument Measuring Reflecting Quadrant Ship Sailor Navigation Tool Marine Sextant : Home & Kitchen
astronomy, measuring instruments, sketch for quadrant, woodcut, from 'Das Instrument Buch', Stock Photo, Picture And Rights Managed Image. Pic. INH-541481 | agefotostock
Quadrant hi-res stock photography and images - Alamy
