Skip to contentSkip to Braille Studio

Library / Engineering & Technology / Histoire des nombres et de la numération mécanique / Braille

Histoire des nombres et de la numération mécanique ⠃⠗⠋ 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

136,093 braille cells · 146 embossed pages at 40×25 · 3,962 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.