http://www.histavia21.net/SJB-PARTS/Sjbtech-036.jpg
Hi about parts in last foto,
One coming from one 'fahrt messer' instrument,
the other ( i have one in Apple grün) certainly part from protect for lamp, radio or radar ... It's closed the bottom of the part on my pic

My 2 exemples coming from one Dornier 217
Bsrg, Dan