Uploaded December 2012 | Updated September 2026, 1 week ago
The manufacture of mica insulation, showing mica laying by machine at the Schenectady Works. Miscellaneous mica insulation products. Semi-automatic mica tape-making machine. Laying mica films by hand. Varnish feeding device. Improved semi-automatic machine. Feeding venturi tube, which in turn feeds suction drum. Surplus mica films brushed off suction drum and carried away by canvas belt. Varnish feeding device and distributing roller. Fume removal. Japanese paper going over spiral roll wrinkle remover. Rolls and sheets of various thicknesses and sizes. The former method of making mica sheet insulation by hand.
The manufacture of mica insulation, showing mica laying by machine at the Schenectady Works. Miscellaneous mica insulation products. Semi-automatic mica tape-making machine. Laying mica films by hand. Varnish feeding device. Improved semi-automatic machine. Feeding venturi tube, which in turn feeds suction drum. Surplus mica films brushed off suction drum and carried away by canvas belt. Varnish feeding device and distributing roller. Fume removal. Japanese paper going over spiral roll wrinkle remover. Rolls and sheets of various thicknesses and sizes. The former method of making mica sheet insulation by hand.
