Atkinson, Philip. [from old catalog] · New York, The Century co. · leaf 190
Fig. 71. when, on ac- 168 ELECTEICITY FOR EVERYBODY. sumption of the carbon keeps both rods pointed, and alittle pit, called the crater, forms in the npper point, asshown, from which the light is radiated downward. The flame takes the form of an arc, from which thename arc light is derived. This is…
Electricity
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