Skip to contentSkip to Braille Studio

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.