Library / Mathematics / On the History of Gunter's Scale and the Slide Rule During the Seventeenth Century / Braille
On the History of Gunter's Scale and the Slide Rule During the Seventeenth Century ⠃⠗⠋ 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
92,398 braille cells · 97 embossed pages at 40×25 · 346 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.