| View Cart ⇗ | Info
a is called the cathode, b is a plate of metal mounted inside the tube and in the path of the rays; d is the portion of the glass protected from the cathode rays by the screen.
Keywordselectricity, force, shadow, Cathode
Wark's Modern Educator (New York: Henry Wark, 1904) 670
2400×1747, 427.6 KiB
1024×745, 59.5 KiB
640×465, 32.7 KiB
320×232, 13.4 KiB