The Manufacture of Carbons for Electric Lighting and Other Purposes; a Practical Handbook, Giving a Complete Description of the Art of Making Carbons, Electrodes, [etc.], the Various Gas Generators and Furnaces Used in Carbonising

The Manufacture of Carbons for Electric Lighting and Other Purposes; a Practical Handbook, Giving a Complete Description of the Art of Making Carbons, Electrodes, [etc.], the Various Gas Generators and Furnaces Used in Carbonising