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

Histoire des nombres et de la numération mécanique ⠃⠗⠋ braille edition

Grade 2 — contracted English braille (EBAE-compatible subset). Translated on this server by our own braille engine (BRF — Braille Ready Format, Library of Congress fdd000551). View Grade 1 instead.

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129,040 braille cells · 137 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.