magnetic variation

noun

1. another name for magnetic declination

Example Sentences

I therefore returned to the camp and helped Dovers take observations for longitude and magnetic variation.

From Project Gutenberg

The latitude, chronometric differences of longitude, and magnetic variation, were determined on shore at this southern point.

From Project Gutenberg

By an azimuth of the sun's centre taken this morning, the magnetic variation was observed to be about 20 minutes west.

From Project Gutenberg

He took the "lay" of the place with a pocket-compass, allowing two seconds for magnetic variation.

From Project Gutenberg

The magnetic variation ascertained at this camp was 12 30′ east.

From Project Gutenberg