Word: tunneling
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...demonstration reached a major climax as 50,000 loyal subjects massed before His Majesty who stood with one hand on a switch of gold. The switch would start motors to roll away a great royal curtain of green and gold from the mouth of the tunnel. In solemn, kingly words which thrilled every listening subject throughout the Empire His Majesty christened the Mersey tunnel Queensway after Her Majesty and declared...
...This thoroughfare is great and strange. The wonder of your tunnel will only come into mind after reflection. "Who can reflect without awe that the will and power of men, which in our time have created the noble bridges of the Thames, the Forth, the Hudson and Sydney Harbor, can drive also tunnels such as this, in which many streams of wheeled traffic may run in light and safety below the depths and turbulence of tidal water bearing ships of the world...
Despite the King's allusion to "struggling against mud," Queensway has in fact been cut in sandstone so firm that the "sand hogs" never had to work under air pressure. In 1925 the chipping was started by Princess Mary with a pneumatic drill. Two pilot tunnels, each 12 ft. in diameter, were cut out from Liverpool and Birkenhead until in 1928 only a thin curtain of stone hung between them in mid stream. Out to chip this down and shake hands under the Mersey went the Lord Mayor of Liverpool and the Mayor of Birkenhead. After that the snug...
Queensway is 2-1/7 mi. long, or nearly half a mile longer than the Holland Tunnel between New York and New Jersey under the Hudson River. The latter consists of two tubes, with two lanes of one-way traffic in each. Queensway, being a single tube, has four lanes of traffic. Said Queensway's Chief Engineer Sir Basil Mott: "We owe much to experience gained by the Americans in building the Holland Tunnels...
...Flush with a $37,500,000 PWA loan, the Port of New York Authority is hard at work on a second vehicular tube to New Jersey, the Midtown Hudson Tunnel at 39th Street. Eased into place by tugs last week was a bright red. hollow cube of steel as big as an eight-roomed house. After riveters build its steel walls higher, diggers working under compressed air in the lower chamber of the caisson will excavate enough mud to permit the base to settle down 100 ft. below water level. From that point they will dig sideways toward New Jersey...