Assertion: key | /r/ObjectUse | used by u.s. military
Facets:
value: during world war ii
type: TEMPORAL
Source sentences:
text: straight key style of telegraph key – model J-38, a key used by U.S. military during World War II, and frequently re-used by radio amateurs style of telegraph key – model, a key used by U.S. military during World War II, and frequently re-used by radio amateurs
text: straight key style of telegraph key – model J-38, a key used by U.S. military during World War II, and frequently re-used by radio amateurs style of telegraph key – model, a key used by U.S. military during World War II, and frequently re-used by radio amateurs