Antique Surveyor’s Instrument – C.L. Berger & Sons (Boston, USA)

Offered here is an early 20th century engineer’s level / dumpy transit made by C.L. Berger & Sons of Boston, Massachusetts.

• Serial No: 11007

• Patent date marked: June 13, 1911

• Approx. size: 14” long x 8” tall

• Weight: 9.4 lbs

This precision instrument was used by engineers and surveyors for leveling and construction layout in the early 1900s. It features a cast-metal body, side-mounted spirit level, three leveling screws, and rotatable telescope.

Condition:

• Untested, sold as-found.

• Optics not tested for clarity.

• Finish shows wear consistent with age and use.

• No case or tripod included.

Great for:

• Collectors of antique surveying instruments

• Display in an office, study, or industrial/steampunk décor setting

• Educational or historical collections

Notes:

This is a heavy, well-made instrument and will be packed with care. Please review photos for details.