What does "DVL" stand for?

[Axtman]

What is the meaning of the abbreviation of "DVL" next to the "death" capacitor and across the line capacitors?

[Ted]

What is the meaning of the abbreviation of "DVL" next to the "death" capacitor and across the line capacitors?

Not sure what it actually stands for. But its an old equivalent of X and Y rated caps for connection across the mains.