https://digitalarchive.tpl.ca/internal/media/dispatcher/1826660/fullCatalogue and price list of the Hart Emery Wheel Company, Hamilton, Canada : manufactures of the celebrated Hart's patent solid emery and corundum wheel1886[com.gallerysystems.emuseum.core.entities.RecordXPerson@8aee21, com.gallerysystems.emuseum.core.entities.RecordXPerson@8b5ebc, com.gallerysystems.emuseum.core.entities.RecordXPerson@8b844b]com.gallerysystems.emuseum.core.entities.RecordXPerson@8aee21com.gallerysystems.emuseum.core.entities.Classification@bbhttps://digitalarchive.tpl.ca/objects/197871/rdf