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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.