Researching keyboard shortcuts, and found this fascinating failed typewriter with extra keys for words. But what’s “OOO AND”?pic.twitter.com/DbMtjrB8mU
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This is an example of telegrapher’s code glossary that contains WB and BL: http://www.slate.com/blogs/the_vault/2015/05/11/history_of_telegraph_operators_abbreviations_used_by_telegraphers.html …
Where did you get your illustration from?
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