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.
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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.