About: http://webisa.webdatacommons.org/95758526

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	-sd! walksoftly, 3 years agoThe over head shafts are called line shafts, they most likely would have had equipment such as a milling machine, lathe, drill press ( you can make out large drill bits just below the word Deloe in the photo).
http://www.w3.org/ns/prov#wasQuotedFrom	collectorsweekly.com