Search Constraints
You searched for:
Date
ca. 1960-1970
Remove constraint Date: ca. 1960-1970
Medium
print
Remove constraint Medium: print
Topical Subjects
Coal Mines and Mining--Mine Interiors--Machinery.
Remove constraint Topical Subjects: Coal Mines and Mining--Mine Interiors--Machinery.
Topical Subjects
Gas-turbines.
Remove constraint Topical Subjects: Gas-turbines.
1 - 2 of 2