
The SciencesNovember 29, 1913
Lubrication with Oils and with Colloidal Graphite
High Economic Efficiency and Remarkable Durability of a Graphoid Surface

Lubrication with Oils and with Colloidal Graphite
High Economic Efficiency and Remarkable Durability of a Graphoid Surface

On the Electrical Furnace and the Reduction of the Oxides of Boron, Silicon, Aluminum, and Other Metals by Carbon