![Practical electricity for beginners. Fig. 19. A 1.5-volt lamp con-nected to a 1.5-volt source ofpressure, a dry cell. 33. The Meaning of the Mark on a Battery Lamp.A battery lamp is Practical electricity for beginners. Fig. 19. A 1.5-volt lamp con-nected to a 1.5-volt source ofpressure, a dry cell. 33. The Meaning of the Mark on a Battery Lamp.A battery lamp is](https://c8.alamy.com/comp/2CEGRGJ/practical-electricity-for-beginners-fig-19-a-15-volt-lamp-con-nected-to-a-15-volt-source-ofpressure-a-dry-cell-33-the-meaning-of-the-mark-on-a-battery-lampa-battery-lamp-is-usually-stamped-with-a-number-giving-thevoltage-upon-which-it-is-designed-to-operate-a-mark-of15-v-on-the-base-of-the-lamp-means-that-it-is-fnade-foruse-on-an-electrical-pressure-of-15-volts-and-a-mark-of-6-vmeans-that-it-is-intended-for-use-on-a-6-volt-battery-oneshould-be-very-careful-when-using-battery-lamps-to-see-thatthe-pressure-applied-is-not-too-great-for-too-great-a-pressurewill-spoil-them-fig-19-2CEGRGJ.jpg)
Practical electricity for beginners. Fig. 19. A 1.5-volt lamp con-nected to a 1.5-volt source ofpressure, a dry cell. 33. The Meaning of the Mark on a Battery Lamp.A battery lamp is
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