Materiaal: hout; Herkomst: Rusland; Geschatte periode: midden 20e eeuw.



Celestial navigation Star globe, made in USSR,

This celestial globe was made around 1950-1960 This long period of production shows the longevity of navigational devices, this instrument was almost out of date by the time of its manufacture.

6-in. dia. lacquered globe showing stars, constellations, equator, ecliptic, and meridians, housed in it original wooden hinged box, interior with brass compass divided in four quadrants, Russian This globe is mounted in a brass meridian circle on steel pins which represent the polar axis. The circle is divided from 0-90 degrees in four quadrants, the zeros being at the pins or poles. The meridian circle is held in the horizon circle by two slots in which it can be turned for setting the latitude. The horizon circle also carries four vertical quadrants, which are divided from 0-90 degrees to show altitude, and the divided edges are used as index marks by which to read the azimuth on the horizon circle. This system of vertical arcs can be lifted off for convenience in adjusting the globe.
Measurements
24 x 24 x 25 cm
Globe 16 cm



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