A US Navy WWII Encryption Device

Puster Bill · 08-19-09, 08:31 AM

OK, here is the new and improved vertically oriented CSP-488 Mk II:

I may improve on it yet again. My thinking is that I should cover the center of the strip holder, between the two retention strips on either side, with an inkjet transparency that has a number of vertical lines down it, to correspond the columns generated by the strips, and perhaps to designate them with a letter or a number to make it easier to read the columns.

Either that, or I may just run a piece of thread down the center for alignment purposes.

08-19-09, 08:31 AM	#17
Puster Bill Grey Wolf Join Date: May 2006 Location: BA8758, or FN33eh for my fellow hams. Posts: 833 Downloads: 0 Uploads: 0	OK, here is the new and improved vertically oriented CSP-488 Mk II: I may improve on it yet again. My thinking is that I should cover the center of the strip holder, between the two retention strips on either side, with an inkjet transparency that has a number of vertical lines down it, to correspond the columns generated by the strips, and perhaps to designate them with a letter or a number to make it easier to read the columns. Either that, or I may just run a piece of thread down the center for alignment purposes. __________________ The U-Boat Commander of Love

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