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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.