httpproxy.gopherspace.dk:75/1/proxy/https://bitsavers.org/pdf/heurikon/HK_68_V30/

       Index of /pdf/heurikon/HK_68_V30
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   DIR /pdf/heurikon
   BIN 030BUG_V1.15.bin
   IMG 1.jpg
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       Heurikon_HK68_V30_Users_Manual_Ver_D_Aug1989.pdf