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Little is known about Christopher Davy (c.1803 49), despite his regular contributions to architectural and engineering magazines in Britain and America. Describing himself as an 'architect and teacher of architecture', he also took an interest in steam engines and railway construction. In this work, published in 1839, and using information gathered from experiments by the Board of Ordnance, Davy begins by describing the characteristics of the geology of England and Wales, with regard to its suitability for obtaining building materials and laying strong foundations. He describes the means by...

The true story of an elite group of men who wrote a page in Naval history. They patrolled the waterways in thirty-one foot river patrol boats powered by Detroit diesel engines with water jet-propulsion. Armed with machineguns and grenade launchers, as well as sheer guts and determination, these sailors faced danger around every bend in the river. Working together, they became one of the finest weapons in Admiral Zumwalt's arsenal for turning back the tide of communist infiltration into Saigon, taking control of the inland waterways. These are true accounts of their bravery, which they proved...

The true story of an elite group of men who wrote a page in Naval history. They patrolled the waterways in thirty-one foot river patrol boats powered by Detroit diesel engines with water jet-propulsion. Armed with machineguns and grenade launchers, as well as sheer guts and determination, these sailors faced danger around every bend in the river. Working together, they became one of the finest weapons in Admiral Zumwalt's arsenal for turning back the tide of communist infiltration into Saigon, taking control of the inland waterways. These are true accounts of their bravery, which they proved...