Micronic Ruby - "mini" transistor radio circa. mid 1960s, with "key chain" carrying strap and earphone/ear plug 晶體管收音機 電臺 電晶體 晶體管收音機
Clean and creative chip/transistor logos! Could be used for hardware, software or other related project 晶片 電晶體 高科技 3 Creative Chip Transistor Logos