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Preliminary Specifications: Programmed Data Processor Model Three (PDP-3) ⠃⠗⠋ braille edition

Grade 1 — uncontracted, letter-for-letter. Translated on this server by our own braille engine (BRF — Braille Ready Format, Library of Congress fdd000551). View Grade 2 instead.

Download .brf — Grade 2 Download .brf — Grade 1 Plain-text reader .txt

68,629 braille cells · 73 embossed pages at 40×25 · 132 unrepresentable characters omitted

⠑⠝⠞⠑⠗⠊⠝⠛⠀⠏⠗⠕⠛⠗⠁⠍⠎⠀⠺⠓⠊⠉⠓⠀⠝⠑⠊⠞⠓⠑⠗⠀⠗⠑⠇⠽⠀⠕⠝⠀
⠗⠑⠁⠙⠤⠊⠝⠀⠏⠗⠕⠛⠗⠁⠍⠎⠀⠊⠝⠀⠍⠑⠍⠕⠗⠽⠀⠝⠕⠗⠀⠗⠑⠟⠥⠊⠗⠑⠀⠁
⠀⠏⠇⠥⠛⠀⠃⠕⠁⠗⠙⠲⠀⠠⠏⠥⠎⠓⠊⠝⠛⠀⠞⠓⠑⠀⠠⠗⠑⠁⠙⠤⠠⠊⠝⠀
⠠⠎⠺⠊⠞⠉⠓⠀⠎⠞⠁⠗⠞⠎⠀⠞⠓⠑⠀⠗⠑⠁⠙⠑⠗⠀⠊⠝⠀⠞⠓⠑⠀⠃⠊⠝⠁⠗⠽⠀
⠍⠕⠙⠑⠲⠀⠠⠞⠓⠑⠀⠋⠊⠗⠎⠞⠀⠛⠗⠕⠥⠏⠀⠕⠋⠀⠎⠊⠭⠀⠇⠊⠝⠑⠎⠀⠁⠝⠙⠀
⠁⠇⠞⠑⠗⠝⠁⠞⠑⠀⠎⠥⠉⠉⠑⠑⠙⠊⠝⠛⠀⠛⠗⠕⠥⠏⠎⠀⠕⠋⠀⠎⠊⠭⠀⠇⠊⠝⠑⠎
⠀⠁⠗⠑⠀⠊⠝⠞⠑⠗⠏⠗⠑⠞⠑⠙⠀⠁⠎⠀⠠⠗⠑⠁⠙⠤⠠⠊⠝⠀⠍⠕⠙⠑⠀
⠊⠝⠎⠞⠗⠥⠉⠞⠊⠕⠝⠎⠲⠀⠠⠑⠧⠑⠝⠤⠝⠥⠍⠃⠑⠗⠑⠙⠀⠛⠗⠕⠥⠏⠎⠀⠕⠋⠀
⠼⠋⠀⠇⠊⠝⠑⠎⠀⠁⠗⠑⠀⠙⠁⠞⠁⠲⠀⠠⠞⠓⠑⠀⠠⠗⠑⠁⠙⠤⠠⠊⠝⠀⠍⠕⠙⠑⠀
⠊⠝⠎⠞⠗⠥⠉⠞⠊⠕⠝⠎⠀⠍⠥⠎⠞⠀⠃⠑⠀⠑⠊⠞⠓⠑⠗⠀⠙⠑⠏⠕⠎⠊⠞⠀
⠊⠝⠤⠕⠥⠞⠀⠶⠙⠊⠕⠀⠠⠽⠶⠀⠕⠗⠀⠚⠥⠍⠏⠀⠶⠚⠍⠏⠀⠠⠽⠶⠲⠀⠠⠊⠋⠀
⠞⠓⠑⠀⠊⠝⠎⠞⠗⠥⠉⠞⠊⠕⠝⠀⠊⠎⠀⠙⠊⠕⠀⠠⠽⠂⠀⠞⠓⠑⠀⠝⠑⠭⠞⠀
⠛⠗⠕⠥⠏⠀⠕⠋⠀⠎⠊⠭⠀⠃⠊⠝⠁⠗⠽⠀⠇⠊⠝⠑⠎⠀⠺⠊⠇⠇⠀⠃⠑⠀⠎⠞⠕⠗⠑⠙
⠀⠊⠝⠀⠍⠑⠍⠕⠗⠽⠀⠇⠕⠉⠁⠞⠊⠕⠝⠀⠠⠽⠀⠁⠝⠙⠀⠞⠓⠑⠀⠗⠑⠁⠙⠑⠗⠀
⠉⠕⠝⠞⠊⠝⠥⠑⠎⠀⠍⠕⠧⠊⠝⠛⠲⠀⠠⠊⠋⠀⠞⠓⠑⠀⠊⠝⠎⠞⠗⠥⠉⠞⠊⠕⠝⠀⠊⠎
⠀⠚⠍⠏⠀⠠⠽⠂⠀⠞⠓⠑⠀⠠⠗⠑⠁⠙⠤⠠⠊⠝⠀⠍⠕⠙⠑⠀⠊⠎⠀
⠞⠑⠗⠍⠊⠝⠁⠞⠑⠙⠀⠁⠝⠙⠀⠞⠓⠑⠀⠉⠕⠍⠏⠥⠞⠑⠗⠀⠺⠊⠇⠇⠀
⠉⠕⠍⠍⠑⠝⠉⠑⠀⠕⠏⠑⠗⠁⠞⠊⠕⠝⠀⠁⠞⠀⠞⠓⠑⠀⠁⠙⠙⠗⠑⠎⠎⠀⠕⠋⠀⠞⠓⠑
⠀⠚⠥⠍⠏⠀⠊⠝⠎⠞⠗⠥⠉⠞⠊⠕⠝⠲⠀⠀⠀⠠⠠⠏⠁⠏⠑⠗⠀⠠⠠⠞⠁⠏⠑⠀
⠠⠠⠏⠥⠝⠉⠓⠀⠀⠠⠞⠓⠑⠀⠎⠞⠁⠝⠙⠁⠗⠙⠀⠠⠠⠏⠙⠏⠤⠼⠉⠀⠠⠏⠁⠏⠑⠗⠀
⠠⠞⠁⠏⠑⠀⠠⠏⠥⠝⠉⠓⠀⠓⠁⠎⠀⠁⠀⠝⠕⠍⠊⠝⠁⠇⠀⠎⠏⠑⠑⠙⠀⠕⠋⠀⠼⠃⠚⠀
⠇⠊⠝⠑⠎⠀⠏⠑⠗⠀⠎⠑⠉⠕⠝⠙⠲⠀⠠⠊⠞⠀⠉⠁⠝⠀⠕⠏⠑⠗⠁⠞⠑⠀⠊⠝⠀
⠑⠊⠞⠓⠑⠗⠀⠞⠓⠑⠀⠁⠇⠏⠓⠁⠝⠥⠍⠑⠗⠊⠉⠀⠍⠕⠙⠑⠀⠕⠗⠀⠞⠓⠑⠀
⠃⠊⠝⠁⠗⠽⠀⠍⠕⠙⠑⠲⠀⠀⠀⠀⠠⠁⠇⠏⠓⠁⠝⠥⠍⠑⠗⠊⠉⠀⠠⠍⠕⠙⠑⠀⠀⠀
⠏⠏⠁⠀⠀⠀⠀⠀⠀⠀⠀⠊⠕⠞⠀⠼⠑⠀⠀⠠⠋⠕⠗⠀⠑⠁⠉⠓⠀⠠⠊⠝⠤⠠⠕⠥⠞⠀

These are the same pages the .brf download embosses — form-feed breaks and all. BRF opens in braille software (Duxbury, BrailleBlaster), on embossers, and on refreshable displays.