About: http://webisa.webdatacommons.org/409478406

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	WWII THROAT MICROPHONE T-30-R Throat microphones are usually worn in noisy environments such as aircraft, and although slightly distorted, can still be intelligible.
http://www.w3.org/ns/prov#wasQuotedFrom	museumoftechnology.org.uk