"Electronic Prospecting" - 1909

[Old Bookaroo]

This is the earliest advertisement I've found for an electronic prospecting/treasure hunting device - many years before Dr. Fisher.

Engineering & Mining Journal - 1909

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Good luck to all,

The Old Bookaroo

 

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[cudamark]

I wonder if they can sue Nokta/Makro for stealing the Simplex name!

 

[Old Bookaroo]

The more things change - the more they stay the same.

(I tried to post that in French because that's so much more elegant, but I couldn't make it work.)


Good luck to all,

The Old Bookaroo

 

[Molewacker]

Love the history this group provides!