A  " N o N a m e "   MAP DISTANCE METER                     (1960)
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Side-1  =  1:100000 / 1:80000 / 1:40000 / 1:20000   ( = Blue Mark )
Side-2  =  1:200000 / 1:75000 / 1:50000 / 1:25000   ( =  Red Mark )

It counts positive when shifted to the left  -  NO RESET Button !

impressum:
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© C.HAMANN        http://public.BHT-Berlin.de/hamann        08/09/10