Note 90 — Chapter XIV · HOW TO MAKE STEEL DIES FOR STAMPING COINS.
C. R. (Charles Robert) Ashbee translation
Scaglia: perhaps fine oxide of iron. Professor Roberts-Austen suggests that this may have been what is now called ‘rouge.’
C. R. (Charles Robert) Ashbee translation
Scaglia: perhaps fine oxide of iron. Professor Roberts-Austen suggests that this may have been what is now called ‘rouge.’