Skip to content

Library / Engineering & Technology / Natural Stability and the Parachute Principle in Aeroplanes / Braille

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.

Download .brf — Grade 2 Download .brf — Grade 1 Plain-text reader .txt

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.