Assertion: electric lamp | /r/CapableOf | use a carbon filament
Facets:
value: to platina contact wires
type: TRANSITIVE-OBJECT
Source sentences:
text: Edison continued to improve this design and by 4 November 1879, filed for a US patent for an electric lamp using "a carbon filament or strip coiled and connected ... to platina contact wires.
text: However, he continued to test several types of material for metal filaments to improve upon his original design and by Nov 4, 1879, he filed another U.S. patent for an electric lamp using "a carbon filament or strip coiled and connected ... to platina contact wires.