The city is connected directly with the city of New York by railroads which pass through tunnels under the Hudson. Numerous trolley lines connect the different parts of the city with each other and with other parts of the state. There are nineteen banks and trust companies. In manufacturing, Jersey City ranks second in the state. Its great commercial and industrial growth is due to its nearness to New York, to its connection with that city by ferries and railroad tunnels, by which passengers and freight are carried to the heart of the city of New York in a few minutes, and to the abundance of facilities for all kinds of transportation. The most important products are sugar, printers' type, soaps and perfumes, meats, silks and embroideries, graphite products, lead pencils, tobacco, cigars, iron, steel and brass products, fire hose, rubber goods, soups, watches, chemicals, electrical supplies, heating and lighting apparatus, rope, and paints and varnishes. The water used by the city is of excellent quality and is brought from the basin of the Rockaway River in the northern part of the state. The city has eight municipal parks and one county park, containing nearly two hundred fifty acres. The city maintains a normal school for the training of its teachers and has an excellent public library. Besides being an active industrial center it is a residential city. Many thousands whose occupations are in the city of New York live in Jersey City. North of Jersey City and adjacent to it is =Hoboken=. It is the most densely populated city in the state. It has connections with several railroads, and one of the great trunk lines has its terminal station here. The steamships of several of the most important transatlantic lines, including Scandinavian and Dutch, dock in Hoboken. Hoboken is connected with the city of New York by the Hudson River tunnels and by ferries and with other cities of the state by many trolley lines. Its manufacturing industries include shipbuilding and repairing and the making of lead pencils, surveying and nautical instruments, marine engines and boilers, silk goods, furniture, and wall paper. Here is located the well-known Stevens Institute of Technology.