Copyright © Philip M. Parker, INSEAD. Terms of Use.

| Domain | Definition |
Physics | Broad Band X-Ray Telescope on ASTRO-1 shuttle flight (Dec. 1990). (references) |
Source: compiled by the editor from various references; see credits. | |
Hexadecimal (or equivalents, 770AD-1900s) (references)42 42 58 52 54 |
| Leonardo da Vinci (1452-1519; backwards) (references)
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| American Sign Language (origins from 1620-1817 in Italy and, especially, France) (references)
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| Semaphore (1791, in France) (references)
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| Braille (1829, in France) (references)
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Morse Code (1836) (references)-... -... -..- .-. - |
| Dancing Men (Sir Arthur Conan Doyle, 1903) (references)
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Binary Code (1918-1938, probably earlier) (references)01000010 01000010 01011000 01010010 01010100 |
HTML Code (1990) (references)B B X R T |
ISO 10646 (1991-1993) (references)0042 0042 0058 0052 0054 |
| British Sign Language (Fingerspelling, BSL; 1992, British Deaf Association Dictionary of British Sign Language) (references)
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Encryption (beginner's substitution cypher): (references)3636585254 |
| 1. Orthography 2. Bibliography |
Copyright © Philip M. Parker, INSEAD. Terms of Use.