Paraset

When I was surfing the internet I found this Paraset from the second World war.
I could t purchased one,so I decided to build one myself.
http://www.sm7ucz.se/Paraset/Paraset_e.htm

Because you have to have the kristals with the paraset to operate the set, I didn't have the kristals only one.
To have more flexibility I build one paraset with variable oscillator from 3,5 to 3,8 Mhz.

The schematic used.
The receiver is also modified, one valve for impedance and signal strength, and one for more Lf output.

The result and working fine.
250 volts Hf output 3 watts.