Campbell bridge

Campbell bridge

[′kam·əl ‚brij]
(electricity)
A bridge designed for comparison of mutual inductances.
A circuit for measuring frequencies by adjusting a mutual inductance, until the current across a detector is zero.
References in periodicals archive ?
Campbell Bridges, 71, was stabbed in the heart during an ambush by a mob armed with spears and knives.
Campbell Bridges, pioneer British geologist and gem miner, was ambushed and killed while returning to his mine near Tsavo in Kenya.
Here is a quote: "Campbell Bridges is a kindred spirit in conservation!" (Wangari Maathai, 2004, Nobel Peace Prize recipient).
Garnet miner Campbell Bridges, 71, was stabbed in the heart during an ambush by a 30-strong mob armed with spears and knives.
Another exhibit from overseas was brought in by Campbell Bridges. Campbell was responsible for discovering the gem garnet variety tsavorite and was very much involved with the early mining of tanzanite, having brought the first tanzanite crystals to this country for Tiffany's.
Campbell Bridges, 71, was ambushed with his son Bruce and four local workers near their mining camp in the Tsavo national park.
In fact, 275 people attended and thoroughly enjoyed the refreshments and an excellent lecture by Campbell Bridges.