Induction coils and their use in producing the Röntgen rays.

Fortunately, these difficulties were overcome by the genius of Nikola Tesla, in the invention of the multiphase alternating-current motor, or the induction motor, as it is now generally called.

The first of these is a portable apparatus designed for lighting gas burners, and is based upon the calorific properties of the electric spark produced by the induction bobbin.

(Pre-induction training course outline, no. PIT-102)

(Pre-induction training course outline, no. PIT-202)

Furnace N. furnace, stove, kiln, oven; cracker; hearth, focus, combustion chamber; athanor^, hypocaust^, reverberatory; volcano; forge, fiery furnace; limekiln; Dutch oven; tuyere, brasier^, salamander, heater, warming pan; boiler, caldron, seething caldron, pot; urn, kettle; chafing-dish; retort, crucible, alembic, still; waffle irons; muffle furnace, induction furnace; electric heater, electric furnace, electric resistance heat.

Induction proceeds by the comparison of facts, and deduction by the application of universal principles.

It was formulated by Mill (in his System of Logic, 1843) as the foundation on which scientific induction rests.

The next application of the induction telegraph was to establish communication with moving trains.

Professor Bell proposed the "induction balance," as a way of recognizing the approach of the enemy's iron vessels.