Some transit instruments are capable of reading angles directly to thirty arc-seconds.
2.
Mainly produced compasses, graphometers, astronomical quadrants, transit instruments, and parallactic machines.
3.
The instruments were a Circle and a Transit Instrument.
4.
Above the room is a Warner & Swasey celestial transit instrument, on its own pier.
5.
Columbia's Rutherfurd Observatory was started during his tenure, with a twelve-inch Clarke refractor telescope and a transit instrument emplaced atop Pupin Hall.
6.
A Grubb 8 inch aperture equatorial refracting telescope presented by Escombe and a 3 inch transit instrument was purchased by the government.
7.
Transit instruments are installed to be perpendicular to the local level ( which is a plane perpendicular to a plumb line ).
8.
In 1860 61 he mounted a transit instrument, constructed a chronograph, and made the first accurate determination of the latitude of the college observatory.
9.
For instance, a surveyor's theodolite can function as a transit instrument if its telescope is capable of a full revolution about the horizontal axis.
10.
However, by March 1854, a 30-inch transit instrument, a good astronomical clock and a time-ball apparatus had been added, and a few meteorological instruments were also obtained.
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