dip circle

British  

noun

1. Also called: inclinometer.  an instrument for measuring dip, consisting of a dip needle with a vertical circular scale of angles

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Example Sentences

All around the rim of sea you can see nothing but our ships while overhead spotter planes dip, circle and mark fire for the big guns.

From Time Magazine Archive

The south-seeking ends of the magnetic particles were pointing downward as the needles of "dip circle" compasses do in the southern hemisphere.

From Time Magazine Archive

But first he must dip, circle, come up underneath and try his luck.

From Our Pilots in the Air by Brown, William Perry

Relics found about Ross Cairn, on Point Victory, May and June, 1859, brought away:— A 6-inch dip circle by Robinson, marked I 22.

From In the Arctic Seas A Narrative of the Discovery of the Fate of Sir John Franklin and his Companions by McClintock, Francis Leopold

It may be well to repeat that the Magnetic Pole is that point where the needle of the dip circle is absolutely vertical—where it stands at exactly 90� to the plane of the horizon.

From McClure's Magazine, Vol. 1, No. 2, July, 1893 by Various