Skip to contentSkip to Braille Studio

Library / Physics / Experimental Determination of the Velocity of Light / Braille

Experimental Determination of the Velocity of Light ⠃⠗⠋ 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

68,885 braille cells · 73 embossed pages at 40×25 · 1,826 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.