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1898

Text Page (3): Preface.

Pamphlet

(Text Page) Preface.

1898

Text Page (5): Magnetic Ranges in San Fr …

Pamphlet

(Text Page) Magnetic Ranges in the Bay o …

1898

Text Page 6: Magnetic Ranges in San Fran …

Pamphlet

(Text Page) Magnetic Ranges, San Francis …

1898

Text Page 7: Table of Views and Bearings …

Pamphlet

(Text Page) Form for Ranges in San Franc …

1856

Terrestrial magnetism.

Physical Atlas

Terrestrial Magnetism.

1856

Terrestrial Magnetism. (continued)

Physical Atlas

Terrestrial Magnetism. (continued)