That's a follow-up to the solviet calculator ELKA (ЕЛКА) 53a (OG post in the comments). Those are the guts of it. Hope you enjoy. : r/vintagecomputing
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Hello reddit, (can I even post old calculators here) I found this old Bulgarian calculator called ELKA (ЕЛКА). Hope y'all like it : r/vintagecomputing
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Bulgarian Calculator Elka 22 Magnetic Ferrite Core Memory 180bit & FTC onPCB №65 | eBay
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Bulgarian Calculator Elka 22 Magnetic Ferrite Core Memory 180bit & FTC onPCB №65 | eBay
