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History of scientific ideas ⠃⠗⠋ 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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1,196,226 braille cells · 1,258 embossed pages at 40×25 · 6,248 unrepresentable characters omitted

⠥⠝⠙⠻⠌⠕⠕⠙⠂⠀⠺⠑⠀⠁⠗⠑⠀⠇⠫⠀⠞⠕⠀⠁⠝⠀⠊⠍⠏⠕⠗⠞⠁⠝⠞⠀
⠊⠝⠟⠥⠊⠗⠽⠲⠀⠀⠀⠀⠠⠮⠀⠡⠜⠁⠉⠞⠻⠎⠀⠷⠀⠥⠝⠊⠧⠻⠎⠁⠇⠊⠞⠽⠀⠯⠀
⠝⠑⠉⠑⠎⠎⠊⠞⠽⠀⠔⠀⠮⠀⠞⠗⠥⠹⠎⠀⠀⠱⠊⠡⠀⠿⠍⠀⠐⠏⠀⠷⠀⠕⠥⠗⠀⠅⠂⠀
⠉⠀⠝⠑⠧⠻⠀⠃⠑⠀⠙⠻⠊⠧⠫⠀⠋⠀⠀⠑⠭⠏⠻⠊⠢⠉⠑⠂⠀⠃⠽⠀⠱⠊⠡⠀⠎⠀
⠇⠜⠛⠑⠀⠁⠀⠐⠏⠀⠷⠀⠕⠥⠗⠀⠅⠀⠊⠎⠀⠀⠕⠃⠞⠁⠔⠫⠲⠀⠠⠃⠀⠎⠔⠉⠑⠂⠀⠵
⠀⠺⠑⠀⠓⠀⠎⠑⠢⠂⠀⠺⠑⠀⠗⠑⠁⠇⠇⠽⠀⠙⠀⠏⠕⠎⠎⠑⠎⠎⠀⠁⠀⠀⠇⠜⠛⠑⠀
⠃⠕⠙⠽⠀⠷⠀⠞⠗⠥⠹⠎⠀⠱⠊⠡⠀⠁⠗⠑⠀⠝⠑⠉⠑⠎⠎⠜⠽⠂⠀⠯⠀⠃⠑⠉⠁⠥⠎⠑
⠀⠀⠝⠑⠉⠑⠎⠎⠜⠽⠂⠀⠮⠗⠑⠿⠑⠀⠥⠝⠊⠧⠻⠎⠁⠇⠂⠀⠮⠀⠐⠟⠀⠌⠊⠇⠇⠀
⠗⠑⠉⠥⠗⠎⠂⠀⠀⠋⠀⠱⠁⠞⠀⠎⠳⠗⠉⠑⠀⠘⠮⠀⠡⠜⠁⠉⠞⠻⠎⠀⠷⠀
⠥⠝⠊⠧⠻⠎⠁⠇⠊⠞⠽⠀⠯⠀⠀⠝⠑⠉⠑⠎⠎⠊⠞⠽⠀⠁⠗⠑⠀⠙⠻⠊⠧⠫⠲⠀⠀⠀⠀
⠠⠮⠀⠁⠝⠎⠺⠻⠀⠞⠕⠀⠹⠊⠎⠀⠐⠟⠀⠺⠑⠀⠺⠀⠁⠞⠞⠑⠍⠏⠞⠀⠞⠕⠀⠛⠊⠧⠑⠀
⠔⠀⠮⠀⠀⠝⠑⠭⠞⠀⠡⠁⠏⠞⠻⠲⠀⠀⠀⠀⠀⠀⠀⠀⠼⠋⠊⠀⠀⠠⠠⠡⠁⠏⠞⠻⠀⠠⠧⠲
⠀⠀⠀⠀⠠⠠⠷⠀⠠⠠⠮⠀⠠⠠⠛⠗⠳⠝⠙⠎⠀⠠⠠⠷⠀⠠⠠⠝⠑⠉⠑⠎⠎⠜⠽⠀
⠠⠠⠞⠗⠥⠹⠎⠲⠀⠀⠀⠀⠀⠀⠼⠁⠲⠀⠠⠠⠞⠕⠀⠮⠀⠐⠟⠀⠚⠀⠌⠁⠞⠫⠂⠀⠠⠊⠀
⠗⠑⠏⠇⠽⠂⠀⠞⠀⠮⠀⠝⠑⠉⠑⠎⠎⠊⠞⠽⠀⠀⠯⠀⠥⠝⠊⠧⠻⠎⠁⠇⠊⠞⠽⠀⠷⠀⠮⠀
⠞⠗⠥⠹⠎⠀⠱⠊⠡⠀⠿⠍⠀⠁⠀⠐⠏⠀⠷⠀⠕⠥⠗⠀⠀⠅⠂⠀⠁⠗⠑⠀⠙⠻⠊⠧⠫⠀⠋⠀
⠮⠀⠠⠋⠥⠝⠙⠁⠍⠢⠞⠁⠇⠀⠠⠊⠙⠑⠁⠎⠀⠱⠊⠡⠀⠀⠘⠹⠀⠞⠗⠥⠹⠎⠀
⠊⠝⠧⠕⠇⠧⠑⠲⠀⠠⠘⠮⠀⠊⠙⠑⠁⠎⠀⠑⠝⠞⠊⠗⠑⠇⠽⠀⠩⠁⠏⠑⠀⠯⠀⠀
⠉⠊⠗⠉⠥⠍⠎⠉⠗⠊⠃⠑⠀⠕⠥⠗⠀⠅⠆⠀⠮⠽⠀⠗⠑⠛⠥⠇⠁⠞⠑⠀⠮⠀⠁⠉⠞⠊⠧⠑
⠀⠀⠕⠏⠻⠁⠞⠊⠕⠝⠎⠀⠷⠀⠕⠥⠗⠀⠍⠔⠙⠎⠂⠀⠾⠳⠞⠀⠱⠊⠡⠀⠕⠥⠗⠀
⠏⠁⠎⠎⠊⠧⠑⠀⠀⠎⠢⠎⠁⠞⠊⠕⠝⠎⠀⠙⠀⠝⠀⠃⠑⠉⠕⠍⠑⠀⠅⠲⠀⠠⠮⠽⠀
⠛⠕⠧⠻⠝⠀⠘⠮⠀⠀⠕⠏⠻⠁⠞⠊⠕⠝⠎⠂⠀⠁⠉⠉⠕⠗⠙⠬⠀⠞⠕⠀⠗⠥⠇⠑⠎⠀
⠱⠊⠡⠀⠁⠗⠑⠀⠝⠀⠕⠝⠇⠽⠀⠋⠊⠭⠫⠀⠯⠀⠀⠏⠻⠍⠁⠝⠢⠞⠂⠀⠃⠀⠱⠊⠡⠀
⠍⠁⠽⠀⠃⠑⠀⠑⠭⠏⠗⠑⠎⠎⠫⠀⠔⠀⠏⠇⠁⠔⠀⠯⠀⠙⠑⠋⠔⠊⠞⠑⠀⠀⠞⠻⠍⠎⠆⠀
⠯⠀⠘⠮⠀⠗⠥⠇⠑⠎⠂⠀⠱⠢⠀⠹⠥⠎⠀⠑⠭⠏⠗⠑⠎⠎⠫⠂⠀⠍⠁⠽⠀⠃⠑⠀⠍⠁⠙⠑

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