Metals become useful as they result in production or construction of things such as jewellery, bridges, house, automobile parts and many more that everyone needs in their day-to-day life.

Keeping it’s utility in mind, earlier various methods were used to find out the hidden metals. But the means and methods used earlier are time consuming, expensive as they involved large number of observation and calculations.

 

To overcome these difficulties Gerhard R Fisher invented ‘Metalloscope’ i.e. an apparatus for indicating the presence of buried metals such as ore, pipes or the like. It has got Patent Protection with the Patent Number US2066561A on 5th January, 1937.

 

The object of this invention is to provide a simple and portable apparatus which can detect the presence of metal instantaneously without any delay, by generating electrical waves in a balanced relation to the receiver, when the Metalloscope is brought into the vicinity of a metallic body.

By Lex Protector 

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