ããã1ã¤ã®ãããã»ã³ãã¥ãªã¼ã»ã¢ãã³ã 20ä¸ç´åã°ã®1960年代ã«IBMãå¦æ ¡åãã«ä½ã£ã¦ããIBM School Clockã®å¾©å»çã§ããã·ã³ãã«ã ãã©åå¨æãããã¾ããã ãªãªã¸ãã«ã¯AC110Vã§åãããã§ãããããã¯é»æ± å¼ãªã®ãããå製åãåãæ±ãSchoolhouse Electric & Supplyã®ãµã¤ããè¦ãã¨ããªã¬ã´ã³ããæ¥æ¬ã«ãéã£ã¦ãããããã§ããã æ°ã«ãªããå¤æ®µã¯235ãã«ã§ãã 1960s IBM 13.5" Standard Issue Clockï¼»Schoolhouse Electric & Supplyï¼½ ï¼æ¦è è¯å¤ªï¼
{{#tags}}- {{label}}
{{/tags}}