Assertion: ink | /r/CreatedBy | mixing varnish
Facets:
value: with lampblack
type: OTHER
Source sentences:
text: When Johannes Gutenberg invented printing with movable type in Germany in about 1440, inks were made by mixing varnish or boiled linseed oil with lampblack.
text: When Johannes Gutenberg invented printing with movable type in Germany in about 1440, inks were made by mixing varnish or boiled linseed oil with lampblack.