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Library / Engineering & Technology / Preliminary Specifications: Programmed Data Processor Model Three (PDP-3) / Braille

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 · 298 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.