a website collaboration between Science Service and the Smithsonian Institution

no date - timer automatically cuts off the current to the inductor coil of the GE electronic heater and turns on a violent water spray in the final heat-treating operation quenching to fix the surface hardness

ELECTRONIC HEATER

E&MP52.025

Electronics

no date

A timer automatically cuts off the current to the inductor coil of the G-E electronic heater and turns on a violent water spray in the final heat-treating operation -- quenching to fix the surface hardness.

related image 52.023

Original Caption by Science Service
General Electric Company



National Museum of American History

Home

Search - Site Map - Subjects to Choose From - Numbering Format

Credits - Copyright - Comments