Of typewriters, runes, and short-hand

Or, why is the & on the 7 key? Back in ca. 2003, when I was preparing the diplomatic edition of Beowulf for Beowulf on Steorarume (heorot.dk), I noticed the use of what looks like the Arabic numeral ‘7’ for and (Old English ond). Beowulf f.132v: ll.120b-123a /* Left-aligned text in a centered block (does not work in Adobe Digital Editions 1.7) */ .poem { display: table; margin-right: auto; margin-left: auto; }