|
US1068716A
|
|
Apparatus for producing hollow quartz bodies.
|
|
GB191119643A
|
|
Improved Method and Apparatus for Electrically Producing Hollow Bodies from Arenaceous Quartz and other Not Easily Fusible Materials.
|
|
CA133331A
|
|
Apparatus for making articles of molten quartz
|
|
CA132024A
|
|
Smelting furnace
|
|
US1051035A
|
|
Method of making transparent quartz glass.
|
|
US1107387A
|
|
Method of producing transparent quartz.
|
|
US1051036A
|
|
Electric-resistance melting-furnace.
|
|
CA122838A
|
|
Method of forming bodies from semi-liquid quartz
|
|
CA120928A
|
|
Electric furnace
|
|
GB190918713A
|
|
A New or Improved Method of Forming Bodies from Semi-liquid Quartz and like Material.
|
|
US1107386A
|
|
Method of producing hollow quartz bodies.
|
|
US989671A
|
|
Electric furnace.
|
|
GB190828276A
|
|
Improvements in or relating to Electric Furnaces.
|
|
US875394A
|
|
Electric heater.
|
|
GB190603316A
|
|
Improvements relating to the Application of Resistances for Heating Vessels, Receptacles, Radiators and the like by Electricity.
|
|
GB190514256A
|
|
Electric Heating Cartridges.
|
|
CA93876A
|
|
Incandescent electric materials
|
|
GB190410873A
|
|
Improvements in and connected with Heating by Electricity.
|
|
GB190023903A
|
|
An Electrical Glass Furnace.
|
|
US702081A
|
|
Manufacture of glass by electrical heating.
|
