The difference between the R1155L (and N) and other models is thankfully limited
to the Coil-
The vitreous enamelled resistor (right) between the 9-
Most of the 1940s vintage resistors had been replaced as the photograph on the left shows … five different styles in the area of the second IF amplifier alone!
Like in the DF circuit, some of the 0.1uF capacitors had been replaced.