TRS-80 PC-1 Pocket Computer Manual : Radio Shack : Free Download, Borrow, and Streaming : Internet Archive
TRS-80 PC-1 Pocket Computer and Cassette Interface Service Manual : Radio Shack : Free Download, Borrow, and Streaming : Internet Archive
![File:Vintage Radio Shack TR-80 Pocket Computer, Model PC-3, Cat. No. 26-3590, Made in Japan, Circa the 1980s (8714272088).jpg - Wikimedia Commons File:Vintage Radio Shack TR-80 Pocket Computer, Model PC-3, Cat. No. 26-3590, Made in Japan, Circa the 1980s (8714272088).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/thumb/2/2c/Vintage_Radio_Shack_TR-80_Pocket_Computer%2C_Model_PC-3%2C_Cat._No._26-3590%2C_Made_in_Japan%2C_Circa_the_1980s_%288714272088%29.jpg/1243px-Vintage_Radio_Shack_TR-80_Pocket_Computer%2C_Model_PC-3%2C_Cat._No._26-3590%2C_Made_in_Japan%2C_Circa_the_1980s_%288714272088%29.jpg)
File:Vintage Radio Shack TR-80 Pocket Computer, Model PC-3, Cat. No. 26-3590, Made in Japan, Circa the 1980s (8714272088).jpg - Wikimedia Commons
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Amazon.com: SuppliesMAX Compatible Replacement for Radio Shack PC-1/PC-2 Black Printer Ribbons (5/PK) (26-3507B) : Office Products
![File:Vintage Radio Shack TRS-80 Pocket Computer, Model PC-4, Cat. No. 26-3650, With Cassette Interface, Made in Japan (12243261263).jpg - Wikimedia Commons File:Vintage Radio Shack TRS-80 Pocket Computer, Model PC-4, Cat. No. 26-3650, With Cassette Interface, Made in Japan (12243261263).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Vintage_Radio_Shack_TRS-80_Pocket_Computer%2C_Model_PC-4%2C_Cat._No._26-3650%2C_With_Cassette_Interface%2C_Made_in_Japan_%2812243261263%29.jpg/2560px-Vintage_Radio_Shack_TRS-80_Pocket_Computer%2C_Model_PC-4%2C_Cat._No._26-3650%2C_With_Cassette_Interface%2C_Made_in_Japan_%2812243261263%29.jpg)