There have been a few mentions of needing lumber, so building supplies in general might not be bad. Other that that I can't think of anything really that 1783 would have. The technological boom isn't going to hit for another couple hundred years.
[Private] Personally? If you see a particularly cute dog or cat, or both, I'd be particularly beholden is that the word? to you, if you could help me out? It'll keep my girl from being too mad at me when I don't take time off. [/private]