Well I saved a wiper transmission on my '49. I had one with a bad knurled knob and another one with stripped threads. I made on good one out of two bad ones (another good reason for not throwing anything away).
I had to carefully grind the weld off of the opposite end of the shaft from the knurled end, cleaned up the parts, then put all of the good parts together and TIG weld the short arm back on to the shaft.
Works like new now for a whole lot less than $119.95 plus shipping for a new set.
Carl 'Knurled Knob' Knauer
And yes, you pronounce the "K" in Knauer.
And yes, I also pronounce ALL "K's" in all words which contain them.
What a colossal waste of time, energy, and ink to not pronounce a letter in a word.
