Description:
- Object ID: ALSA 2010.06.05
- Made by: , John Davis & Son
- Model: Unknown
- Serial Number: Unknown
- Date Made: Unknown.
- Approximate size: 27 cm long X 18 cm wide X 16 cm high
- Accessories: The instrument is mounted on a wooden base 18 cm X 18 cm X 1.5 cm.
- Condition: fair
Commentary:
Brass sighting compass 27 cm long X 18 cm wide X 16 cm high (with sights folded down and excluding the wooden base). The folding tilting sights are 15 cm long. It has three graduated circular scales, the compass is graduated in intervals of 10 degrees. There are two spirit bubble vials in the compass.
The instrument is mounted on a wooden base 18 cm X 18 cm X 1.5 cm. The compass is marked `JOHN DAVIS & SON, DERBY LTD.
Surveyor’s Compass made by John Davis & Sons; Derby Ltd. The company, John Davis & Sons, was founded in 1835. It changed names a few times in its history but had the name ‘John Davis & Sons, Derby Ltd. from the 1900s to the 1960s, giving some indication of the compass’ age..
Source of Object: Donated by Steve Cherwonick, ALS.
Notes:
References: Visit the article Not Quite Redundant – The Surveyor’s Compass for additional information..
Description by: Updated by Ed Titanich, October 2, 2024.