<http://webisa.webdatacommons.org/148674702>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/444628339>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/148674702> .
<http://webisa.webdatacommons.org/148674702>	<http://www.w3.org/ns/prov#value>	"Heretofore various devices have been used for this purpose, such as strips of cloth or rubber secured to the frame by tacks or cemeutror corner-pieces of rubber molded to fit thecorner of the frame and secured in place by various means." .
<http://webisa.webdatacommons.org/148674702>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .