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Displaying 1 to 2 of 2 results for 1941
The Flying Surveyor
Publication: Purdue Engineer
Subject: McElroy, John C.
Date: 2/1941
v. 36, no. 3 p. 78-79
Publication: Purdue Engineer
Subject: McElroy, John C.
Date: 2/1941
v. 36, no. 3 p. 78-79
Watchmen of Industry
Publication: Purdue Engineer
Subject: McElroy, John C.
Date: 3/1941
v. 36, no. 6 p. 96-97, 108
Publication: Purdue Engineer
Subject: McElroy, John C.
Date: 3/1941
v. 36, no. 6 p. 96-97, 108
