About: http://webisa.webdatacommons.org/178854293

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	The instructions for its use were a little beyond me, but you can operate it as an ordinary push top ratchet mechanism, with ten clicks getting you 7mm of 0.5mm lead, or you can shake away and operate it with the shaker mechanism.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com