Plan of area surveyed by Eotvos Torsion Balance Feb 1925-Feb 1928

Made:
circa 1928 in Cumbria
maker:
Hodbarrow Mining Company

Plan of area surveyed by Eotvos Torsion Balance Feb 1925-Feb 1928 / Hodbarrow Mining Co. Ltd. 1928. [Lithograph with ms. additions, scale 1" : 100']

Details

Category:
Archive
Object Number:
1998-501
Measurements:
: 1295 x 1525 mm
type:
mining survey plan
credit:
Unknown source