William A.Gluesing, in charge of General Electric's House of Magic at a Century of Progress exposition, demonstrates magic wand to show how thyratron tube can control electric lamp circuit. Thyratron, controlled, by minute electric current in human body, causes lamp to light.
Title: William A.Gluesing, in charge of General Electric's House of Magic at a Century of Progress exposition, demonstrates magic wand to show how thyratron tube can control electric lamp circuit. Thyratron, controlled, by minute electric current in human body, causes lamp to light.
Rights: This digital image may be used for educational uses. Please cite as miSci- Museum of Innovation & Science. Prior written permission is required for any other use of the images from miSci.
Get the app
Explore museums and play with Art Transfer, Pocket Galleries, Art Selfie, and more