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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.