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 · 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.