Vintage photograph. A Bessemer converter blowing off at British steel factory. Molten iron is pouring into this converter, manganese or other metals added in small quantities and air is blown through the mass to remove carbon.

Single Non exclusive use on print marketing materials up to 50,000 and digital copies, includes: brochure, catalog, flyer, newsletter, and other collateral printed pieces + web usage. Worldwide (excludes advertising) for 5 years.