Assertion: yacht's sail | /r/HasProperty | developed in gaff rig
Facets:
value: during the 16th-19th centuries
type: TEMPORAL
Source sentences:
text: During the 16th-19th centuries other fore-and-aft sails were developed in Europe, such as the spritsail, gaff rig, jib, genoa, staysail, and Bermuda rig mainsail, improving the upwind sailing ability of European vessels.