The usage of 73 for such a purpose comes from the phillips code, originally devised in the era of telegraphs to speed up transmission of common messages by mapping.
The Usage Of 73 For Such A Purpose Comes From The Phillips Code, Originally Devised In The Era Of Telegraphs To Speed Up Transmission Of Common Messages By Mapping.
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The Usage Of 73 For Such A Purpose Comes From The Phillips Code, Originally Devised In The Era Of Telegraphs To Speed Up Transmission Of Common Messages By Mapping.