Neckless and proofless?

[The Squatter of Amon Rûdh]

A tempting hypothesis. I'd have expected Tolkien's edition of the Red Book to have at least a footnote about that, though.

Originally Posted by mithalwen

I am not technologically aware enough to know but when did they start to move from physically typesetting books and doing it on computers.

Apparently around 1962. By 1978 they were on the second generation of phototypesetting machines. This probably was a computer error, but I still checked every reference book I have looking for an alternative or dialect spelling of 'necklace'.