Here is a round-up of my previous posts on this auction showing many of the automata that will be available.
There will also be many scientific instruments and orreries.
The auction details:
Preview Dates/Times: March 24, 2007, 8-9am
Auction Date/Time: March 24, 2007, 10am
Address: 63 Park Plaza Boston, MA
Location: Auction #2355
To view the items online or download the catalog, visit Skinner's Science and Technology section