It is furnished with a meridian circle of iron, a horizon circle of wood, the whole resting on a wooden base.
The meridian circle has a diameter of 16 cm., the horizon a diameter of 16 cm.
Its meridian circle is a comparatively recent and very clumsy substitute of wood for the original which doubtless was of brass.
It has a simple mounting, including a meridian circle of brass and a horizon circle of wood.
The meridian circle of wood, within which the sphere is made to revolve, is graduated.
The meridian circle, within which the sphere revolves, is of brass and is graduated.
With his meridian circle he determined the places of the chosen objects.
A dial attached to the axis of the earth below the meridian circle marks the hours, which are engraved on the Arctic polar circle.
But with the telescope of the meridian circle the watch-dial would be visible even at the distance of a mile.
The new one has mounted in it a meridian circle of the latest and best construction.