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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

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

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.