Skip to content

Library / Engineering & Technology / The Boy's Book of Industrial Information / Braille

The Boy's Book of Industrial Information ⠃⠗⠋ 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

442,939 braille cells · 463 embossed pages at 40×25 · 659 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.