Paper cutter vs letter opener

Or something interfered with my reading

Probably unsurprisingly to readers who are aware of my interest in restoring vintage clothing, I have a similar interest in book maintenance. At some point in my peregrinations, I picked up a new-old stock, i.e. old but never used, copy of La Vie intellectuelle: Son esprit, ses conditions, ses méthodes by Fr Antoin-Dalmace (né Antoin-Gilbert) Sertillang…