Assertion: flue harpoon | /r/HasProperty | replaced by toggling harpoon
Facets:
value: in the mid-19th century
type: TEMPORAL
Source sentences:
text: In the mid-19th century the one flue harpoon was replaced by the toggling harpoon, which was an iron version of the ancient design used in the Arctic by the native whale hunters there.
text: In the mid-19th century the one flue harpoon was replaced by the toggling harpoon, which was an iron version of the ancient design used in the Arctic by the native whale hunters there.