11. Some type of gear teeth, probably watch related.

12 A pencil next to a rope/twine reference.

13. The detent on an SDS hammer drill bit.


^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Keep the whole world singing . . . .
DanG (remove the sevens)




"R.H." wrote in message
...
If anyone is interested, I added a few more microscope photos:


http://microphotos.blogspot.com/