Note 195 — Chapter XXXIV · HOW TO MAKE TWO KINDS OF AQUAFORTIS, ONE FOR PARTING,[194] THE OTHER FOR ENGRAVING & ETCHING.
C. R. (Charles Robert) Ashbee translation
Solimato: can this be sublimed sal ammoniac?
C. R. (Charles Robert) Ashbee translation
Solimato: can this be sublimed sal ammoniac?