stipple engraving
... that stipple engraving was used in the 18th century to make accurately sanguine reproductions of red chalk drawings by artists such as Watteau?
... that <b id="mwCQw"><a href="./Stipple_engraving" id="mwCQ0" rel="mw:WikiLink" title="Stipple engraving">stipple engraving</a></b> was used in the 18th century to make accurately <a href="./Sanguine" id="mwCQ4" rel="mw:WikiLink" title="Sanguine">sanguine</a> reproductions of red chalk drawings by artists such as <a href="./Antoine_Watteau" id="mwCQ8" rel="mw:WikiLink" title="Antoine Watteau">Watteau</a>?