Serial no. 4502. Trapezoidal hand-held UV lamp, dark brown plastic housing with cord and cord switch, in black carrying box. Instructions inside box lid. Mfg. Ultra-Violet Home Products, Los Angeles, CA.
ID number
ST-CH-07
Title
Optical secondary emission amplifier, C61
Abstract
Invented by William Shockley and John Pierce. Cylindrical shape, 14 contacts. Glass is broken. Mfg. RCA.
