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7 A D V A N C E D M A T E R I A L S & P R O C E S S E S | F E B R U A R Y / M A R C H 2 0 2 0 We welcome all comments and suggestions. Send letters to joanne.miller@asminternational.org . tools and equipment, including a horse- drawn ore hoist, 18th century wooden piston water column pump and 19th Inside the Bartolomej mine tunnel. to 20th century ore rail cars. Note – this tour includes an arduous walk down (and back up) long steep hillside steps; tour guides speak only Slovak (but dis- plays are multilingual); and hard hats, cloaks, and lanterns are required in the stooped, narrow, damp tunnels with uneven footing. Descriptive literature in English is limited. Banská Štiavnica is two hours by road from Bratislava, the Slovak capital, which is a half hour coach run from Vi- enna, Austria. John C. Harkness, FASM Open-Air Mining Museummine tour entrance.