Library / Engineering & Technology / The slide rule / Braille
The slide rule ⠃⠗⠋ 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
311,539 braille cells · 319 embossed pages at 40×25 · 9,216 unrepresentable characters omitted
⠠⠋⠑⠑⠞⠀⠏⠑⠗⠀⠎⠑⠉⠕⠝⠙⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠠⠍⠑⠞⠗⠑⠎⠀⠏⠑⠗⠀ ⠎⠑⠉⠕⠝⠙⠀⠀⠀⠀⠀⠀⠀⠀⠀⠼⠚⠉⠚⠙⠓⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠍⠊⠝⠥⠞⠑⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠼⠁⠓⠃⠓⠓⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠠⠍⠊⠇⠑⠎⠀⠏⠑⠗⠀⠓⠕⠥⠗⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠼⠚⠲⠋⠓⠃⠀⠀⠀⠀⠀⠀⠀ ⠍⠊⠝⠥⠞⠑⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠠⠍⠑⠞⠑⠗⠎⠀⠏⠑⠗⠀⠎⠑⠉⠕⠝⠙⠀⠀⠀ ⠼⠚⠚⠚⠑⠚⠓⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠍⠊⠝⠥⠞⠑⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠼⠚⠉⠚⠙⠓⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠠⠍⠊⠇⠑⠎⠀⠏⠑⠗⠀⠓⠕⠥⠗⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠼⠚⠚⠁⠁⠉⠋⠀⠀⠀⠀⠀⠀ ⠠⠽⠁⠗⠙⠎⠀⠏⠑⠗⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠼⠚⠚⠉⠙⠁⠀⠀⠀⠀⠀⠀⠠⠍⠊⠇⠑⠎⠀⠏⠑⠗⠀⠓⠕⠥⠗⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠠⠍⠑⠞⠗⠑⠎⠀⠏⠑⠗⠀⠍⠊⠝⠥⠞⠑⠀⠀⠀⠀⠀⠀⠀⠀⠀⠼⠃⠋⠓⠃⠀⠀⠀⠀⠀⠀ ⠠⠅⠝⠕⠞⠎⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠼⠉⠚⠓⠓⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠠⠍⠊⠇⠑⠎⠀⠏⠑⠗⠀⠓⠕⠥⠗⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠼⠁⠁⠑⠁⠀⠀⠀⠀⠀⠀⠀⠀ ⠠⠠⠉⠕⠍⠏⠕⠥⠝⠙⠀⠠⠠⠋⠁⠉⠞⠕⠗⠎⠤⠤⠠⠠⠏⠗⠑⠎⠎⠥⠗⠑⠎⠲⠀⠀⠀⠀⠀⠀ ⠠⠏⠕⠥⠝⠙⠎⠀⠏⠑⠗⠀⠎⠟⠲⠀⠊⠝⠉⠓⠀⠀⠀⠀⠀⠀⠀⠠⠛⠗⠁⠍⠍⠑⠎⠀⠏⠑⠗⠀ ⠎⠟⠲⠀⠍⠍⠲⠀⠀⠀⠀⠀⠀⠀⠼⠚⠛⠚⠉⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠠⠅⠊⠇⠕⠎⠲⠀⠏⠑⠗⠀⠎⠟⠲⠀⠉⠑⠝⠞⠊⠍⠑⠞⠗⠑⠀⠼⠚⠚⠛⠚⠉⠀⠀⠀⠀⠀⠀⠀ ⠠⠁⠞⠍⠕⠎⠏⠓⠑⠗⠑⠎⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠼⠚⠚⠋⠓⠀⠀⠀⠀⠀⠀⠀⠀ ⠠⠓⠑⠁⠙⠀⠕⠋⠀⠺⠁⠞⠑⠗⠀⠊⠝⠀⠊⠝⠉⠓⠑⠎⠀⠀⠀⠼⠃⠛⠛⠁⠀⠀⠀⠀⠀⠀⠀⠀ ⠋⠑⠑⠞⠀⠀⠀⠀⠀⠀⠀⠀⠀⠼⠃⠉⠚⠊⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠍⠑⠞⠗⠑⠎⠀⠀⠀⠀⠀⠀⠀⠼⠚⠛⠑⠛⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠠⠊⠝⠉⠓⠑⠎⠀⠕⠋⠀⠠⠍⠑⠗⠉⠥⠗⠽⠀⠀⠀⠀⠀⠀⠀⠀⠀⠼⠃⠚⠙⠀⠀⠀⠀⠀⠀ ⠠⠊⠝⠉⠓⠑⠎⠀⠕⠋⠀⠺⠁⠞⠑⠗⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠠⠏⠕⠥⠝⠙⠎⠀⠏⠑⠗⠀ ⠎⠟⠥⠁⠗⠑⠀⠊⠝⠉⠓⠀⠀⠀⠀⠼⠚⠚⠉⠋⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
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