Skip to contentSkip to Braille Studio

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 · 525 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.