Library / Engineering & Technology / Optical Projection. Part 1: The Projection of Lantern Slides / Braille
Optical Projection. Part 1: The Projection of Lantern Slides ⠃⠗⠋ braille edition
Grade 1 — uncontracted, letter-for-letter. Translated on this server by our own braille engine (BRF — Braille Ready Format, Library of Congress fdd000551). View Grade 2 instead.
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146,908 braille cells · 155 embossed pages at 40×25 · 487 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.