Friday, July 29, 2011

Confucius Analect of the Day, July 29, 2011

“If a man does not give thought to problems which are still distant, he will be worried by them when they come nearer.”  (James R. Ware, Chapter XV, Verse12)

Congress and the White House (except President Clinton) disregarding the consequences of spending, deficits, and debt.

1 comment :

ChjpHunter said...

The first covered bridge in the United States was built over the Schuylkill River in Philadelphia, Pennsylvania in 1800. Some of the first Burr arch truss covered bridges were also built in the state. Pennsylvania is estimated to have once had at least 1,500 covered bridges, and is believed to have had the most in the country between 1830 and 1875.[16] In 2001 Pennsylvania had more surviving historic covered bridges than any other state, with 221 remaining in 40 of the commonwealth's 67 counties.[5]
Covered bridges were a transition between stone and cast-iron and steel bridges. In 19th-century Pennsylvania, lumber was an abundant resource for bridge construction,[16] but did not last long when exposed to weather and the elements. The roof and enclosed sides of covered bridges protected the structural elements, allowing some of these bridges to survive well over a century. A Burr arch truss consists of a load-bearing arch sandwiching multiple King posts, resulting in a bridge which is both stronger and more rigid than one built using either element alone.[




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