Skip to contentSkip to Braille Studio

Library / Mathematics / William Oughtred: A Great Seventeenth-Century Teacher of Mathematics / Braille

William Oughtred: A Great Seventeenth-Century Teacher of Mathematics ⠃⠗⠋ 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

163,003 braille cells · 171 embossed pages at 40×25 · 1,455 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.