According to Kiernan, Humfrey's lead-smelting furnace was far more efficient than the traditional boles, and its eventual widespread adoption enabled rapid expansion of the mining industry after 1570, and the export from England of large quantities of lead.
University of North Carolina at Chapel Hill | Chapel Hill, North Carolina | One Tree Hill | One Tree Hill (TV series) | King of the Hill | Chapel Hill | Hill Street Blues | Parliament Hill | Capitol Hill | Notting Hill | Cypress Hill | Broken Hill | Mill Hill Missionaries | Faith Hill | Harry Hill | Broken Hill, New South Wales | Grange Hill | Lauryn Hill | Benny Hill | Castle Hill | Anita Hill | Castle Hill, New South Wales | Blythswood Hill | Swan Hill | Rowland Hill | Chestnut Hill, Massachusetts | Cherry Hill, New Jersey | The Benny Hill Show | Notting Hill Carnival | Murray Hill, New Jersey |