TELEPHONE TRANSISTOR. /nThe first point-contact telephone transistor invented by scientists at Bell Laboratories in 1947. Photograph, c1947.
px | px | dpi | = | cm | x | cm | = | MB |
Details
Creative#:
TOP16147627
Source:
達志影像
Authorization Type:
RM
Release Information:
須由TPG 完整授權
Model Release:
No
Property Release:
No
Right to Privacy:
No
Same folder images: