<http://webisa.webdatacommons.org/prov/183087916>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/309868545> .
<http://webisa.webdatacommons.org/309868545>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/309868545>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<iglou.com> .
<http://webisa.webdatacommons.org/309868545>	<http://www.w3.org/ns/prov#value>	"Chartier will focus specifically on the many sirens, waveforms, and other inventions of the German physicist Rudolf Koenig including the Tonometer (c. 1870-1875), the only instrument of its kind in existence." .