Assertion: gear's design | /r/HasProperty | underway
Facets:
value: in france
type: LOCATION
value: following the ideas of august euler
type: OTHER
value: in 1913–1914
type: TEMPORAL
value: in germany
type: LOCATION
Source sentences:
text: Design and experimentation with gun synchronization had been underway in France and Germany in 1913–1914, following the ideas of August Euler, who seems to have been the first to suggest mounting a fixed armament firing in the direction of flight (in 1910).