Wow, thanks for all the replies!

After examining the broken switch, I realized I could force the non-
tracking blade to engage. Went to Home Depot and picked up a few 30A
TL fuses and I'm back in business!

I liked the suggestion of replacing the switch box with a 240V Outlet
and installing a plug on the drier's wire. I may do that in the
future.

What's the story with the 4-prong plugs? What is the purpose of the
fourth prong?

Art Harris