TechnologyNovember 1, 1947
Electrons Guide the Cutting Torch
A Photoelectric Tracer, Reading Directly From an Inexpensive Drawing, Controls the Oxyacetylene Torch to Cut From Any Pattern
Stories by T. H. Ayling
Electrons Guide the Cutting Torch
A Photoelectric Tracer, Reading Directly From an Inexpensive Drawing, Controls the Oxyacetylene Torch to Cut From Any Pattern