BLOWERS, Electric, 4-Blade, No. C1 ZA/CAN 4411
A couple of hours later, after several solvent rinses, and a light buffing of the rusty sections, this is what came out from under the crud.
I am a bit surprised to find the fan blade has such a bright finish, but now recall seeing a photo of a 52-Set in service somewhere and the fan blades were very visible on both blowers, through the mesh screen COVERS. I must try and find that photo again, and it will be interesting to see what is going on with the Supply Unit BLOWERS when I get around to that part of the project.
David
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