This
particular page is from page 1 of the February 1967 issue of Model
Airplane News magazine. Notice the Western Union telegram notifying
Bonner of the type certification. This is the era when 72 MHz frequencies
had not long before been assigned for model use. $455 for a 4-channel
radio system is a lot in today's dollar, but it was a huge amount of
money back in 1967 (=$2,951.87 in 2010 according to the USBLS's
inflation
calculator). All copyrights (if any) are hereby acknowledged.
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