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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.

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

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.