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Aspects of science ⠃⠗⠋ 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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214,141 braille cells · 225 embossed pages at 40×25 · 167 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.