httpproxy.gopherspace.dk:75/1/proxy/https://bitsavers.org/pdf/burroughs/SmallSystems/B1000/B1800/

       Index of /pdf/burroughs/SmallSystems/B1000/B1800
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   DIR /pdf/burroughs/SmallSystems/B1000
   DIR pictures
       1090644_B1870_B1860_Systems_Reference_Manual_197903.pdf
       1098282_B1870_Technical_Manual_Vol1_Operation_and_Maint_197711.pdf
       Connection_Port_Functional_Design_19790328.pdf