Copper Dictogrand Horn Its primary focus was on

Its primary focus was on Wireless Telegraph transmission making simple and relatively inexpensive receiver and transmitter sets

766 sets have been produced

The Claravox iHORN is an extremely rare radio horn and is the only iHorn ever made from an Australian radio horn

It was billed as "Radio's Most Beautiful Speaker

who registered his invention during the period of the French Revolution in 1798

Copper Dictogrand Horn Its primary focus was onThe Dictogrand iHorn is made from a Dictogrand Type R 3 Radio Loud Speaker, which was made by the Dictograph Products Corporation in New York City. This was a low profile, portable speaker made in 1923. It came in black, mahogany, rubber, red, and this copper finish. This model is particularly rare and collectible. Its original sale price when first made was $29. 00. Applying the consumer price index from 1923 to 2013, this would equate to $410. 00