Apple II system clocks

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1	Qqest Software Systems, Inc. ETC 100 Model Clock ETC 100 MODEL CLOCK ETC Model clocks are available with the following communication options, Serial, Serial Add to Reading List Source URL: www.mytimeforce.com Language: English - Date: 2013-03-11 12:22:12 Time Television Clock Time clock RS-232 24-hour clock Nintendo DS Apple II system clocks Clock network Horology Measurement Clocks
2	PDF Document Add to Reading List Source URL: www.apple-iigs.info Language: English - Date: 2005-11-01 07:14:32 Computing Apple II series Macintosh Apple Keyboard Integer BASIC Apple II system clocks Apple II Plus Apple Inc. Steve Jobs Computer hardware
3	PDF Document Add to Reading List Source URL: www.apple-iigs.info Language: English - Date: 2005-11-01 07:26:42 Apple II family Apple II series Computer hardware Timer Apple IIe Disk II Operating system System time Apple II system clocks Computing Apple ProDOS Software