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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.

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

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.