In April 1915, FM Williamson of the De Forest Radio Telephone and Telegraph Company in New York responded to an enquiry from Mr T Buckley of the New Zealand Post and Telegraph Department.
The US company had been organised in 1913 as the Radio Telephone and Telegraph Company, then added the name of founder Lee De Forest the following year.
The letter from the De Forest company and the photos enclosed with it are reproduced below.
Letter from De Forest company to NZ Post and Telegraph Department, 1915, p1
Letter from De Forest company to NZ Post and Telegraph Department, 1915, p2
The identification plate on the item pictured above reads: De Forest Radio Telegraph Transmitting Panel Type: DC Q – KW: 2 – Serial No: 11
A handwritten note on the back of this photo reads: RJ6 type receiving set
A handwritten note on the back of this photo reads: Wireless telephone guaranteed distance 15 miles
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