1. The observatory received a new meridian circle during his tenure. 2. Meridian circles are often called by these names, although they are less specific.3. The first automated instrument was the Carlsberg Automatic Meridian Circle , which came online in 1984. 4. There he repaired the meridian circle and used it to do a determination of the constant of aberration. 5. The move was supervised by the precision engineering company, who also manufactured an astrograph and a meridian circle . 6. He remained at Lick until 1908, operating the Meridian Circle program to make precise measurements of star positions. 7. New instruments were ordered and installed at NOA, a 16 cm meridian circle and a 40 cm refractor. 8. Meridian circle at the Kuffner observatory, Vienna, Austria, built by Repsold & Sons, Hamburg, 1886.9. The observing building housing the meridian circle did not have a rotating dome, as is often seen at observatories. 10. Much of his astronomical work included measurements with the meridian circle , a catalogue of double stars and stellar photometry investigations.
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