Assertion: coil galvanometer | /r/HasProperty | developed by marcel deprez
Facets:
value: independently
type: MANNER
value: about 1880
type: TEMPORAL
Source sentences:
text: Moving coil galvanometer was developed independently by Marcel Deprez and Jacques-Arsène d'Arsonval about 1880.
text: Moving coil galvanometer was developed independently by Marcel Deprez and Jacques-Arsène d'Arsonval about 1880.