The British Encyclopedia: Or, Dictionary of Arts and Sciences. Comprising an Accurate and Popular View of the Present Improved State of Human Knowledge, Tom 1Longman, Hurst, Rees, and Orme, 1809 |
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... height of about 600 feet fell on the ad- joining ground . With another machine , 35 feet in diameter , they repeated the expe riment in April 1783 , when breaking loose from its confinement , it rose to the height of above 1000 feet ...
... height of about 600 feet fell on the ad- joining ground . With another machine , 35 feet in diameter , they repeated the expe riment in April 1783 , when breaking loose from its confinement , it rose to the height of above 1000 feet ...
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... height of 3123 feet . It then entered a cloud , but soon appeared again ; and at last it was lost among other clouds . This balloon , after having floated about three quarters of an hour , fell in a field about 15 miles distant from the ...
... height of 3123 feet . It then entered a cloud , but soon appeared again ; and at last it was lost among other clouds . This balloon , after having floated about three quarters of an hour , fell in a field about 15 miles distant from the ...
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... height of 84 feet from the ground and there kept the machine afloat during 4 ′ 25 ′′ , by repeatedly throwing straw and wool upon the fire : the machine then descended gradually and gently , through a medium of increasing density , to ...
... height of 84 feet from the ground and there kept the machine afloat during 4 ′ 25 ′′ , by repeatedly throwing straw and wool upon the fire : the machine then descended gradually and gently , through a medium of increasing density , to ...
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... height of 11,732 feet , and observed the clouds below them , that reflected to the region which they oc- cupied the rays of the sun ; the temperature of the air being 5o below the freezing point ; and in three quarters of an hour they ...
... height of 11,732 feet , and observed the clouds below them , that reflected to the region which they oc- cupied the rays of the sun ; the temperature of the air being 5o below the freezing point ; and in three quarters of an hour they ...
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... height of about three quarters of a mile , the whole apparatus was in flames , and the unfortunate adventurers fell to the ground , and were killed on the spot . On the 19th of July Mr. Crosbie ascended at Dublin , with a view of ...
... height of about three quarters of a mile , the whole apparatus was in flames , and the unfortunate adventurers fell to the ground , and were killed on the spot . On the 19th of July Mr. Crosbie ascended at Dublin , with a view of ...
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