Skip to content

Library / Engineering & Technology / A History of Inventions, Discoveries, and Origins, Volume 2 (of 2) / Braille

A History of Inventions, Discoveries, and Origins, Volume 2 (of 2) ⠃⠗⠋ 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

1,432,789 braille cells · 1,516 embossed pages at 40×25 · 12,915 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.