Here is unknown part 3

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Here is number two.

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I have these five parts that I cannot identify and wondered if anyone knew where they went for my pictures do not show them. Usually, a part only goes one place, but I really cannot see that with these. I think parts two and four might go in the ceiling, but again could not determine the place where they might go.
Any information would be greatly appreciated.
I think I have to submit my pictures one at a time due to their size. Four more are to follow.
Thanks again to all.

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Thanks. This is great information and I do so appreciate the help.

Does anyone know where I might obtain some hex nuts to mount the radio head in my '37 120C Touring Sedan? I thought I had them files safely away but cannot find them. These are the two nuts that go onto the control shafts. They are 3/8"-24 thread and extremely thin to fit behind the front dash piece.
Thanks to all who have helped me with this project over these past years.

Thanks to both of you. This information is exceedingly helpful. I'll print these off and take then to the shop for comparison with my '37, but from what I have seen, these do match.
Again, I do thank you very much for your assistance.

Hello. Does anyone have tried and true procedures for installing the windshield in a 1937 120? I've tried a couple of ways and none seem to work. I think I need at least two other people helping me on this one.
Thanks.

Hello, again. I should have also said that if a picture is not available, then a diagram of how the control arms attach to the wiper motor would be helpful. As I said earlier, the bends in these control arms seem to go the wrong way and if I try to install the outside mounts holding the wiper blades the other way, they do not appear to install in that direction.
Thanks again for any information you might be able to provide.

Thanks, Ken. Yes, that is exactly what I am trying to locate. When I think I have the positioning correct, it does not seem to want to work properly. A picture of underneath of your car would be most helpful.
Thanks ever so much.

Hello to all. I finally got to the point where I'm trying to attach the windshield wiper arms to the drive motor, but cannot seem to get things to fit. Does anyone have any drawings or schematics on the exact orientation of the drive motor and then the attachment of the drive arms? I am assuming that the drive motor needs to be oriented so that the vacuum hose attachment is on the passenger side and not the driver's side. Is that correct? However, with it installed like that I cannot seem to get the driver arms to attach properly.
Again, I do thank everyone for their information and support.