~ A 19th Century Boxed Surveyor's Level and Mahogany and Brass Tripod ~
This tool it is used in surveying and engineering to determine height differences and to transfer, measure, or set horizontal levels.
The telescope on top, used for sighting, is likely equipped with crosshairs and can be adjusted to ensure accuracy in readings.
The tripod provides a stable base to keep the instrument level during use.
The manufacturer "Davis & Son, London & Derby" is engraved on the instrument, indicating that it was made by this notable British company, which was known for producing high-quality optical and surveying equipment in the 19th and early 20th centuries.
This type of instrument would have been used in a variety of civil engineering and construction projects to ensure proper leveling of land or structures.
~ Condition ~
The piece is in good working order and the lenses remain undamaged.