Traveller's cheques and credit cards (American Express, Visa, Mastercard) are exchanged for Vietnamese dong at the banks. Cards can be used in travel agencies, hotels, and major restaurants. US currency is exchanged for Vietnamese dong and treasury notes in banks, exchange bureaus, hotels, and jewellery shops.
Nikola Tesla designed the first hydroelectric power plant at Niagara Falls, New York which started producing electrical power in 1895. This was the beginning of the electrification of the United States and the rest of the world. Today, Teslaâs AC electricity is lighting and powering the globe.
Welcome to the Tesla Memorial Society of New York Website. Above: Nikola Tesla, with Roger Boskovich's book Theoria Philosophiae Naturalis, in front of the spiral coil of his high-frequency transformer at East Houston St., New York.The World Columbian Exposition was the World's Fair commemorating 400 years since Christopher Columbus set foot in the New World.ift of Yugoslavia to the United States, 1976. Nikola Tesla designed the first hydro-electric power plant in Niagara Falls. This was the final victory of Tesla's Alternating Current over Edison's Direct Current. The monument was the work of Croatian sculptor Frane Krsinic.