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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.