<http://webisa.webdatacommons.org/422604968>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/310427194>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/422604968> .
<http://webisa.webdatacommons.org/prov/394784773>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/422604968> .
<http://webisa.webdatacommons.org/422604968>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<usmm.org> .
<http://webisa.webdatacommons.org/422604968>	<http://www.w3.org/ns/prov#value>	"There is an instructor for every 10 students, with a printed manual of seamanship, printed lesson cards and leaflets covering the compass, knotting and splicing, blocks, and other details of the seaman's duty on steel and wooden ships, steam and sail; also comprehensive libraries covering such matters as navigation laws, engines and the like." .