Library / Engineering & Technology / Masters of space - Morse and the telegraph; Thompson and the cable; Bell and the telephone; Marconi and the wireless telegraph; Carty and the wireless telephone / Braille
Masters of space - Morse and the telegraph; Thompson and the cable; Bell and the telephone; Marconi and the wireless telegraph; Carty and the wireless telephone ⠃⠗⠋ 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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265,655 braille cells · 280 embossed pages at 40×25 · 304 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.