Key Phrase page for magnetic observations: Books containing the phrase magnetic observations ... Excerpt - on Page 30: " ... i41 Halley's instructions, when the Paramore was ...

Magnetic observations made by explorers in subsequent decades showed that this was not true, and by the early nineteenth century, the accumulated observations proved that the ...

This self-contained device reveals the proper, three-dimensional nature of magnetic lines of force. The sealed acrylic box contains iron filings suspended in a silicone oil ...

Modes of Acquiring Magnetic Observations. Magnetic observations are routinely collected using any one of three different field operational strategies.

Reprinted from Ocean Magnetic Observations, 1905-1916, and Reports on Special Researches. By L. A. Bauer, with W. J. Peters, J. A. Fleming, J. P.