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Old 12-19-2015, 12:31 AM
Tom Albrecht's Avatar
Tom Albrecht Tom Albrecht is offline
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Join Date: Mar 2010
Location: San Jose, CA
Posts: 673
Here are two files with scans of the FM and 7-13 (rapid turning clear) dial.

You'll note that these look "backwards" but that will make no difference when you print on clear material -- simply flip it over to make the image correct. Since the disk has a shaft bushing on one side, this was the only side that could go down flat against the scanner.

Took me a few tries to get a nice scan of it. What worked best was to have strong backlighting on white paper against the back of the disk. This helped reduce the amount of shadow from the scanner's own light projecting through the lettering to the paper backing.

I've attached one file with the raw scan and one that I processed to remove as much of the remaining shadows as possible. These have been reduced to much lower resolution by the bulletin board software. The .png files I uploaded are much higher resolution, and I can send them to you by email if you provide the address to me (send a PM if you don't want your email publicly displayed).

I also have .TIF uncompressed versions of both available which I can send by email (but cannot attach here because the format is not allowed).
Attached Images
File Type: png DuMont RA-103 FM Dial Scan - Processed.png (55.9 KB, 16 views)
File Type: jpg DuMont RA-103 FM Dial Scan - Unprocessed.jpg (87.9 KB, 16 views)
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