Bosch RKMU 6 130/12 R11/600
6 Cyl "Lichtbatteriezünder"
12 Volts, tested : in working condition
housing : long without pulley 330 mm.
diameter 125 mm.
weights 18 Kgs.
This is a New Old Stock Atwater-Kent Unisparker K-2 6 cylinder distributor cap. This is a very rare item. This would suit a few American cars (Saxon Six?) from 1909-1915.
I can send more photos on request.
PayPal accepted.