Assertion: record player | /r/HasProperty | invented by thomas edison
Facets:
value: in the 1870s
type: TEMPORAL
value: in 1877
type: TEMPORAL
Source sentences:
text: The first phonograph was invented by Thomas Edison in the 1870s, and it was improved upon by Alexander Graham Bell under the Volta group in the 1880s.
text: The first phonograph was invented by Thomas Edison in the 1870s, and it was improved upon by Alexander Graham Bell under the Volta group in the 1880s.
text: In 1877 the first phonograph was invented by Thomas Edison.
text: The first phonograph was invented by Thomas Edison in the 1870s, and it was improved upon by Alexander Graham Bell under the Volta group in the 1880s.