Americas Covered Bridges review è 103

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Americas Covered Bridges review è 103 ✓ As many as 15000 covered bridges were built in North America over the past 200 years Fewer than 1000 remain In America's Covered Bridges authors Terry E Miller and Ronald G Knapp tell the fascinating story of these bridges how they were built the technological breakthroughs reuired to construct them anAs many as 15000 covered bridges were built in North America over the past 200 years Fewer than 1000 remain In America's Covered Bridges authors Terry E Miller and Ronald G Knapp tell the fascinating story of these bridges how they were built the technological breakthroughs reuired to construct them and above all the dedication and skill of their builders Each wooden bridge whether still standing or long gone has a story to tell about the nature of America at the time not only about its transportation needs but the availability of materials and the technological prowess of the people who built itNorth American covered bridges were marvels of engineering long before modern civil engineering was invented Early American bridge builders developed revolutionary new carpentry methods to join timbers into patterns consisting of triangles or continuous arches that resulted in structures rigid enough to span long distances These systems called trusses were critical to bridge construction of the day and had to be protected from the elements by a r.

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Oof and siding Few people today realize that bridges were covered to protect the trusses not the people using the bridge The unprotected trusses soon degraded and the bridge would collapseIllustrated with some 550 historical and contemporary photos paintings and technical drawings of nearly 400 different covered bridges America's Covered Bridges offers five readable chapters on the history design and fate of America's covered bridges plus related bridges in Canada Most of the contemporary photography is by master photographer A Chester Ong of Hong Kong55 photo essays on the most iconic bridges remaining includingCornish Windsor Bridge between Vermont and New HampshirePorter Parsonsfield Bridge MaineEast Paden and West Paden Twin Bridges PennsylvaniaPhilippi Bridge West VirginiaHortons Mill Bridge AlabamaMedora Bridge IndianaRock Mill Bridge OhioKnight's Ferry Bridge CaliforniaPerrault Bridge uebec CanadaHartland Bridge New Brunswick CanadaAmong the featured bridges are two that were destroyed before the book could be published New York's.

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Americas Covered BridgesBlenheim Bridge during a storm and Ohio's Humpback Bridge by arson The Permanent Bridge in Philadelphia considered by most as the first covered bridge in America figures prominently as do the bridges of Lancaster County heart of Pennsylvania Dutch country This compendium of classic Americana includes many of the most astounding and iconic bridges ever built in the United States including those by Timothy Palmer Theodore Burr and Lewis Wernwag Some like the Columbia Wrightsville Bridge over the Susuehanna River in Pennsylvania were a mile longOver time wooden bridges eventually gave way to ones made of iron steel and concrete An American icon many covered bridges became obsolete and were replaced others simply decayed and collapsed Many were swept away by natural disasters and fires America's Covered Bridges is absolutely packed with fascinating stories and information passionately told by two leading experts on this subject The book will be of tremendous interest to anyone interested in American history carpentry and technological chang.