Electric heating by Edwin James HoustonElectric heating by Edwin James Houston

Electric heating

byEdwin James Houston

Paperback | May 19, 2012

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1895 Excerpt: ...coil in position. Four or six of these heaters are employed in each car, according to the size of the car and the climate of the locality in which it Pig. 23.--Electric Car-heater. runs. The heater is placed in a hole or gap made in the riser, or vertical partition, below the car seat. A cast-iron plate, furnished with grid orjenings, placed in the front of the heater and opening into the car, serves the double purpose of preventing the dress of the passengers from coming into contact with the heated coils, and for permitting the ready escape of the air through the apparatus. An inspection of Fig. 24 will show that the heating coil, employed in this particular form of car heater, consists of a close Fig. 24.--Back And Interior Of Electric Car-Heater. spiral conductor, which is spirally wound around a grooved porcelain tube, and is supported at the centre and at the two ends by porcelain washers. The back of the heater is formed of sheet iron, suitably provided with asbestos lining. Heaters employed on electric railroad circuits take their current from the mains at a constant pressure, generally 500 volts. In order to vary the current passing coils can be connected in series, or in parallel-series, or some of them cut out from the circuit, thus permitting the amount of heat to be readily varied in order to meet the requirements of the Fig. 25.-car-heater Regulating Switch. through the four or six heaters generally employed in each car, a switch is used, by means of which the separate heater Fig. 26.--Side Interior View Of Car-heater RegulatIng Switch. weather. Fig. 25 shows a form of regulating switch of this character intended to produce five different strengths of current, and, therefore, five different rates of producing heat in the car. The side view of ...
Title:Electric heatingFormat:PaperbackDimensions:30 pages, 9.69 × 7.44 × 0.06 inPublished:May 19, 2012Publisher:General Books LLCLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:0217711944

ISBN - 13:9780217711944