Search Results for: Radar apparatus
electricity", which, in , he mailed to professor poggendorff for insertion in the then well-known periodical, annalen der physik . the manuscript was rejected, to the great disappointment of the sensitive young teacher. [ ] reis, like bell would later do, had studied the organs of ear and the idea of an apparatus
bourseul's idea seems to have attracted little notice at the time, and was soon forgotten. even the count du moncel, who was ever ready to welcome a promising invention, evidently regarded it as a fantastic notion. it is very doubtful reis had ever heard of it. reis was led to conceive a similar apparatus...
https://en.wikipedia.org/wiki/Johann_Philipp_Reis
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cigarette lighter can be used for working; .greatly reduce the depreciation cost,satisfying customers'stable large quantities producing. application industry sf f fiber laser marking machine is applied in gold & silver jewelry,sanitary ware,food packing,tobacco products, medicine packing,medical apparatus...
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