The principle transit circle was a 3-inch Combined Transit and Zenith telescope designed by Warner & Swasey especially for Illinois.
12.
In 1721, Great Britain established its own meridian passing through an early transit circle at the newly established Royal Observatory at Greenwich.
13.
In 1934 he became director of the 6 " Transit Circle Division, and would lead the division for the next 25 years.
14.
The final meridian was established as an imaginary line from the north pole to the south pole passing through the Airy transit circle.
15.
The instruments to move into the domes were a 15-inch ( 38 cm ) transit circle was housed in a separate building further west.
16.
The observatory was also equipped with a 42-inch focal-length achromatic refractor by Tulley, a transit circle by William Simms, and a clock by Hardy.
17.
Additionally, through a National Science Foundation of America grant, he was in the process of refurbishing the Observatory's 6-inch meridian transit circle to recommence meridian observations.
18.
He became Astronomer Royal in 1835, and among his many accomplishments was building of the Transit Circle telescope in the Greenwich Observatory's Meridian Building in 1850.
19.
In 1991, Oslo Sporveier presented plans involving a rapid transit circle line in Oslo, connecting the newly built hospital Rikshospitalet with the rest of the city.
20.
Except for a stint in the Time Service Division ( 1915-1919 ), he would remain with the transit circle department for the remainder of his career.
