Gege Blog 9.1 Dynamo Engine A (f).PDF
. The same flange seen from the other side with the front bearing housing. The closing plate fixed by 4 screws is missing.
The armature with on the left side of the picture an oil-thrower ring on the engine side, and on the right the shaft with the
hole to block the starter dog ... or the pulley (which we do not have !) for the fan drive.