 | George Iles - 1909 - 202 pages
...the electric current. I mixed together a quantity of clay and powdered coke, placed the mixture in an iron bowl such as plumbers use for holding their melted solder. Into this mixture I inserted one end of an electric lamp carbon, the other end being connected to one... | |
 | Harrison Estell Howe - Chemistry - 1926 - 466 pages
...artificial 21 abrasive and his autobiography gives the following narrative of his first experiment : An iron bowl, such as plumbers use for holding their...was attached to one lead from a dynamo and filled witb a mixture of clay and powdered coke ; the end of an arc light carbon attached to the other lead... | |
 | United States - 1920 - 550 pages
...impregnating clay with carbon under the influence of electric heat, some valuable results might be attained. "An iron bowl, such as plumbers use for holding their...filled with a mixture of clay and powdered coke," he said "the end of an arc light carbon attached to the other lead was inserted into the mixture. The... | |
 | Electric engineering - 1906 - 760 pages
...the electric current. I mixed together a quantity of clay and powdered coke, placed the mixture in an iron bowl such as plumbers use for holding their melted solder. Into this mixture I inserted one end of an electric lamp carbon, the other end being connected to one... | |
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... the end of an arc light carbon attached to the other lead was inserted into the mixture. The percentage of coke was high enough to carry a current, and a good strong one was passed through the mixture between the lamp carbon and... 