[Bubier], Edward Trevert, 1858- [from old catalog] · Lynn, Mass., Bubier pub. co. · leaf 286
284 ELECTRICITY AND ITS that it does not short-circuit, owing to an ingeni-ous arrangement of the movable electrode ; and itavoids breaking of the mantles because of thesmooth, easy method of ignition. The Advance Automatic Burner.—There aretwo double magnets operating two armatures, which … throw off and on the valve and at the same timeraise the spark contact. The throwing off of thevalve is controlled by the armature acting on asingle pin in the head of the valve plug. The Thumb-Cock Burner, here shown, has anattachment upon the small end of the gas-cock, RECENT APPLICATIONS. 285…
Electricity
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