I have recently come into posession of some glittering articles that may interest the technologically inclined...
Palm-sized sundial:
I'm not sure what Bollard means, but here's the bollarded compass(the main part is also palm-sized):
Smaller than it looks(about the same size as the rest), but oh so shiny:
While I wander off into the fields and get myself into fantastic trouble, you might want to check out the rest of the site:
American Science and Surplus