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Light Science for Leisure Hours ⠃⠗⠋ 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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413,899 braille cells · 434 embossed pages at 40×25 · 507 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.