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Natural Stability and the Parachute Principle in Aeroplanes ⠃⠗⠋ 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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33,977 braille cells · 36 embossed pages at 40×25 · 40 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.