Construction{above} and completed assembly of the second, present revolver at Cesky Krumlov. Net weight: c. 23 tons Capacity: c. 37 tons Loaded weight c. 60 tons The revolver travels per second to 5 r\ 1.I in both directions with a speed from 10" feet per second. Gear-driven spindle, it rides on a circular track Construction is bolted throughout. bedded on from a center wooden ties. Brehms' first revolver experiment at Cesky Krumlov in 1958, with seating for 40 spectators. May 1966 21