Crossword-Solution: RHEOSTATS 9 letters, 3 clues 🏆 scrabble score: 12

Further elaboration of this method was made later by the addition of rheostats, condensers, and local opposition batteries on long lines.

The Parts and How to Connect Them Up.--Exactly the same parts are needed for this set as the one described above, but in addition you will want: (1) two more _rheostats_; (2) _two_ more sets of B 22-1/2 _volt batteries_; (3) _two amplifier tubes_, and (4) _two audio frequency transformers_ as described in Chapter IX and pictured at A in Fig.

Variable resistors are also called _resistance boxes_ and more often _rheostats._ RESONANCE.--(1) Simple resonance of sound is its increase set up by one body by the sympathetic vibration of a second body.

The switches which open and close the power circuits through motors and rheostats are called contactors, each comprising a magnetic blow-out switch and the electro magnet which controls the movements of the switch.

The hangers supporting the rheostats under the car body are insulated with wooden blocks, treated by a special process, being dried out in an oven and then soaked in an insulating compound, and covered with 1/4-inch "transite" board.