Hedley type mining dial by B. J. Hall and Co.

Made:
1920
maker:
B.J. Hall and Co.
designer:
Hedley

Hedley type mining dial by B. J. Hall and Co., c. 1920

Details

Category:
Surveying
Object Number:
1922-43
type:
mining dial
credit:
Miscellaneous Disposals Syndicate