Assertion: electric organ | /r/HasProperty | invented by john m. hanert
Facets:
Source sentences:
text: The Hammond organ is an electric organ, invented by Laurens Hammond and John M. Hanert and first manufactured in 1935.
text: The Hammond organ is an electric organ invented by Laurens Hammond and John M. Hanert and first manufactured in 1935.
text: The Hammond organ is an electric organ invented by Laurens Hammond and John M. Hanert.
text: The Hammond organ is an electric organ invented by Laurens Hammond and John M. Hanert and first manufactured in 1935.