Follow-up on an old, unanchored editorial comment to p004_3. For @thuchacz to ask MHS on June 21:
Apres <add>ayes</add><comment>c_004v_05</comment> du <m>sel</m> &<lb/> du <m>verdegris</m> & le destrempe aultant dun que daultre<lb/> en <m>vinaigre bien fort</m> & le laisse XX4 <ms><tmp>heures</tmp></ms> deva<exp>n</exp>t<lb/> quen user & tout se destrempera Next <add>take</add> <m>salt</m> & <m>verdigris</m> & soak as much of one as of the other in <m>quite strong vinegar</m> & leave it for XX4 <ms><tmp>hours</tmp></ms> before using it, & all will be soaked.
MHS says this is certainly "devant"