Telephony from Technical World Magazine, 1905

The old magazines at Internet Archives are endlessly fascinating to me.  They give us a picture of the world then, as technology was developing and new products were introduced for future benefit.  (Technical World also offered lots of ads for patent lawyers, natch).  

Below, there's a reference to "Tesla", as tho everyone would know who that was.  He was Nicola Tesla, and look!  He predicted the cel phone, in 1905!  

That particular issue has quite a long article about telephone technicalities--it ought to be fascinating to a few of you!