previous <<==>> next

"   W A S     I S T     D E N N     D A S     ???   "



The open Box ...



PORTABLE  BATTERY  ELEMENT  TESTER



PORTABLE BATTERY ELEMENT TESTER,      SIEMENS & HALSKE / Germany     (1900)
***************************************************************************
Scale  =   0 .. 0.5 .. 1 .. 1.5 .. 2 Volt                       SN = 934391

    There is a  BLACK ARROW  at 1.5 Volt  ( "Button not pressed" ),
         and a   RED ARROW   at 1.0 Volt  ( "Button pressed" )  saying,
    "  A R R O W S   s h o w i n g   t h e   L O W E R   L I M I T S  "

impressum:
***************************************************************************
© C.HAMANN        http://public.beuth-hochschule.de/~hamann        05/25/11