Pair of prismatic ‘Porro’ type field glass binoculars
1916
Level No. II by Carl Zeiss Jena
1928
Surveyor's level with case, German, 1926-1929
1926-1929
Plane table supplied by supplied by Carl Zeiss
1928
Tripod case for sectioning alidade, German, 1925-1929
1925-1929
Case for Surveyor's level, German, 1925-1929
1925-1929
Surveying Level, German, 1925-1929
1925-1929
Surveyor's level, German, 1926-1929
1926-1929
Levelling Scale with stand, German, 1925-1929
1925-1929
Mine surveying sighting disc, German, 1920-1930
1920-1930
Sectioning alidade, with scales, staff, level and cases, 1925-1929
1925-1929