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Pogonotomie ou l'art d'.... by Perret, Chapter VII starting page 75 he describes how to use a rasoir à rabot.
La pogonotomie, ou L'art d'apprendre a se raser soi-meme, avec la manier de ... -...

80 years earlier Perret describes the rasoir à rabot: a razor with a wooden blade guard.

The one piece razors have an augmented spine, so why not call them augmented spine razors??

A faux frameback AFAIK is a straight made of one piece of steel, ground to look like a frameback.

There are 2 types of framebacks that are essentially quite different but still have the same name.
1st type is the frameback having a tang that is part of the frame and a blade that is slid into the...