Fine antique theodolite of burnished brass signed A.G. Thornton Manchester No 1207 and made in the second half of the 19th century,
This instrument was used in terrestrial observations for the measurement of horizontal and vertical angles and also used in the measurement of magnetic and geographical distances and azimuths.
An interesting piece of early technology that provokes curiosity and looks great on display. Appears to be in good working condition.
This instrument was used in terrestrial observations for the measurement of horizontal and vertical angles and also used in the measurement of magnetic and geographical distances and azimuths.
An interesting piece of early technology that provokes curiosity and looks great on display. Appears to be in good working condition.