Vacuum Tubes Past and Present History: The Last Scan, Inside The Desperate Fight To Keep Old TVs Alive

Vacuum Tubes Past and Present History The Last Scan, Inside The Desperate Fight To Keep Old TVs Alive The wonderful story about Chi-Tien Lui and his CTL Electronics company, since 1968 refurbishing, repairing and restoring CRTs (Cathode Ray Tubes). But the article covers so much more, the history of television and the different methods of…

Vacuum Tubes Present History: First Terahertz Vacuum Amplifier Created

Vacuum Tubes Present History First Terahertz Vacuum Amplifier Created Vacuum tubes bring back visions of antique electronics, but these are not your grandparents’ TV sets. DARPA-sponsored research has taken tools developed by the semiconductor and MEMS revolution & microfabrication methods and materials;and applied them to reliable, efficient vacuum tube technologies. For more, read the article…

Museum Lab Column: Photographing Glass: Controlling Contrast

Museum Lab Column: Photographing Glass: Controlling Contrast Vacuum tubes have many different materials, glass, metal, ceramics, and so many reflective surfaces, combining to make vacuum tube photography quite difficult, especially for archival work. In this tutorial, Andrew Fortune shows his excellent light table and lighting design for the difficult photography of glass objects, and we…

Tube Archeology: Pathways to the Present; In Search of Shirt-Pocket Radios with Subminiature Tubes

Tube Archeology: Pathways to the Present; In Search of Shirt-Pocket Radios with Subminiature Tubes Dr. Michael Brian Schiffer goes beyond traditional thinking, blending scientific techniques from archeologists and technology historians into a new methodology of analyzing the artifacts of vacuum tube history, and discovers the delightful surprise that portable vacuum tube radios were manufactured before…