Call Number (LC) Title Results
C4.2..L57_2_935 First-Order Leveling. 1
C 4.2:M 27/1a Principal facts of the earth's magnetism and methods of determining the true meridian and the magnetic declination / 1
C 4.2:M 27/2 United States magnetic tables and magnetic charts for 1905 /
United States magnetic tables and magnetic charts for 1905 		3
C 4.2:M 27/2/925 United States magnetic tables and magnetic charts for 1925 /
U.S. magnetic tables and magnetic charts for ... 		3
C 4.2:M 27/2/935 United States magnetic tables and magnetic charts for 1935 /
United States Magnetic Tables and Magnetic Charts for 1935. 		2
C 4.2:M 27/2/945 United States magnetic tables and magnetic charts for 1945 / 1
C 4.2:M 27/3/3d ed./corr.938 Directions for magnetic measurements. 1
C 4.2:M 27/3/3d ed. corr. 947 Directions for magnetic measurements / 1
C 4.2:M 27/3/3d ed. corr. 957 Directions for magnetic measurements / 1
C 4.2:M 27/3/3rd ed Directions for magnetic measurements
Directions for magnetic measurements. 		2
C 4.2:M 27/4/930 Magnetic surveys Purposes, methods, and instruments, revised edition.
Magnetic surveys : Purposes, methods, and instruments, revised edition. 		2
C 4.2:M 27/4/935 Magnetic Surveys, Purposes, Methods, and Instruments. 1
C 4.2:M 27/6 Practical uses of the earth's magnetism.
Practical uses of the earth's magnetism / 		3
C 4.2:M 27/7 Magnetism of the earth /
Magnetism of the Earth. 		2
C 4.2:M 27/8/941-44 Magnetic observations in the American republics, 1941-44 : a project under the sponsorship of the Interdepartmental Committee on Scientific and Cultural Cooperation, Department of State. 1
C 4.2:M 27/8/945-48 Magnetic observations in the American republics, 1945-48 / 1
C 4.2:M 27/9/945 Magnetic declination in the United States, 1945 / 1
C 4.2:M 27/10 Magnetic poles and the compass. 1
C 4.2:M 27/10/961 Magnetic poles and the compass. 1
C 4.2:M 27/11/964 Magnetic surveys / 1