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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.