Frank Haven Hall (Q5487157)
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American inventor of the first successful mechanical point writer for Braille (1841–1911)
- Frank H. Hall
- Frank Hall
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Frank Haven Hall |
American inventor of the first successful mechanical point writer for Braille (1841–1911) |
|
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Wikipedia(3 entries)
- arwiki فرانك هافن هال
- enwiki Frank Haven Hall
- idwiki Frank H. Hall