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.
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311,539 braille cells · 319 embossed pages at 40×25 · 9,216 unrepresentable characters omitted
⠠⠞⠕⠝⠎⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠠⠞⠕⠝⠝⠑⠎⠀⠀⠀⠀⠀⠀⠀⠀ ⠼⠚⠋⠉⠁⠉⠀⠀⠀⠀⠀⠀⠠⠋⠑⠑⠞⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠠⠍⠑⠞⠗⠑⠎⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠼⠁⠓⠊⠙⠀⠀⠀⠀⠀⠀ ⠠⠏⠕⠥⠝⠙⠎⠀⠏⠑⠗⠀⠉⠥⠃⠊⠉⠀⠊⠝⠲⠀⠀⠀⠀⠀⠀⠠⠛⠗⠁⠍⠍⠑⠎⠀⠏⠑⠗⠀ ⠉⠥⠃⠊⠉⠀⠉⠍⠲⠀⠀⠀⠀⠀⠼⠃⠛⠋⠓⠀⠀⠀⠀⠀⠀⠀⠀⠏⠑⠗⠀⠉⠥⠃⠊⠉⠀⠋⠞⠲ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠠⠅⠊⠇⠕⠎⠲⠀⠏⠑⠗⠀⠉⠥⠃⠊⠉⠀⠍⠑⠞⠗⠑⠀⠀⠀⠀ ⠼⠁⠋⠚⠃⠀⠀⠀⠀⠀⠀⠀⠀⠏⠑⠗⠀⠉⠥⠃⠊⠉⠀⠽⠙⠲⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠼⠚⠑⠊⠉⠀⠀⠀⠀⠀⠀⠠⠞⠕⠝⠎⠀⠏⠑⠗⠀⠉⠥⠃⠊⠉⠀⠽⠁⠗⠙⠀⠀⠀⠀⠀⠀⠀ ⠠⠞⠕⠝⠝⠑⠎⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠼⠁⠉⠃⠊⠀⠀⠀⠀⠀⠀ ⠠⠉⠥⠃⠊⠉⠀⠽⠙⠎⠲⠀⠏⠑⠗⠀⠏⠕⠥⠝⠙⠀⠀⠀⠀⠀⠀⠠⠉⠥⠃⠊⠉⠀⠍⠑⠞⠗⠑⠎ ⠀⠏⠑⠗⠀⠅⠊⠇⠕⠲⠀⠀⠀⠀⠼⠁⠋⠓⠑⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠏⠑⠗⠀⠞⠕⠝⠀⠀ ⠏⠑⠗⠀⠞⠕⠝⠝⠑⠀⠀⠀⠀⠀⠀⠀⠼⠚⠛⠑⠃⠑⠀⠀⠀⠀⠀⠀⠠⠉⠥⠃⠊⠉⠀⠊⠝⠉⠓⠀ ⠕⠋⠀⠺⠁⠞⠑⠗⠀⠀⠀⠀⠀⠀⠀⠠⠺⠑⠊⠛⠓⠞⠀⠊⠝⠀⠏⠕⠥⠝⠙⠎⠀⠀⠀⠀⠀⠀⠀⠀ ⠼⠚⠚⠉⠋⠚⠓⠀⠀⠀⠀⠀⠀⠠⠉⠥⠃⠊⠉⠀⠋⠑⠑⠞⠀⠕⠋⠀⠺⠁⠞⠑⠗⠀⠀⠀⠀⠀⠀⠀ ⠼⠋⠃⠉⠑⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠅⠊⠇⠕⠎⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠼⠃⠓⠃⠉⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠠⠊⠍⠏⠑⠗⠊⠁⠇⠀⠛⠁⠇⠇⠕⠝⠎⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠼⠋⠃⠉⠑⠀⠀⠀⠀⠀⠀⠀⠀ ⠠⠥⠲⠠⠎⠲⠀⠛⠁⠇⠇⠕⠝⠎⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠼⠛⠙⠓⠀⠀⠀⠀⠀⠀ ⠠⠇⠊⠞⠗⠑⠀⠕⠋⠀⠺⠁⠞⠑⠗⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠠⠉⠥⠃⠊⠉⠀⠊⠝⠉⠓⠑⠎ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠼⠋⠁⠚⠃⠑⠀⠀⠀⠀⠀⠀⠠⠛⠁⠇⠇⠕⠝⠎⠀⠕⠋⠀ ⠺⠁⠞⠑⠗⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠠⠺⠑⠊⠛⠓⠞⠀⠊⠝⠀⠅⠊⠇⠕⠎⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠼⠙⠑⠙⠀⠀⠀⠀⠀⠀⠠⠏⠕⠥⠝⠙⠎⠀⠕⠋⠀⠋⠗⠑⠎⠓⠀⠺⠁⠞⠑⠗⠀⠀⠀⠀⠀ ⠠⠏⠕⠥⠝⠙⠎⠀⠕⠋⠀⠎⠑⠁⠀⠺⠁⠞⠑⠗⠀⠀⠀⠀⠀⠀⠀⠼⠁⠚⠃⠋⠀⠀⠀⠀⠀⠀ ⠠⠛⠗⠁⠊⠝⠎⠀⠏⠑⠗⠀⠛⠁⠇⠇⠕⠝⠀⠀⠀⠀⠀⠀⠀⠀⠀⠠⠛⠗⠁⠍⠍⠑⠎⠀⠏⠑⠗⠀ ⠇⠊⠞⠗⠑⠀⠀⠀⠀⠀⠀⠀⠀⠀⠼⠚⠚⠁⠙⠃⠋⠀⠀⠀⠀⠀⠀⠠⠏⠕⠥⠝⠙⠎⠀⠏⠑⠗⠀
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