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Dear Simon,

After giving it some thought, I've decided I'm going to continue helping you. I also just had a small chat with the probate lawyer and he assures me there's nothing in the baron's instructions that would preclude me from offering you my modest assistance. So let me tell you what I know.

About a week before Sinclair died, something rather curious happened. A few lab assistants were called by Mrs. Babbage, the house manager, to remove several floorplans from Sinclair's Drafting Studio. Typically all of the unused floorplans are kept there and I have never heard of them being moved to another location, nor would I presume to guess the reason for such an action. I'm not sure which floorplans were removed or where they were moved to, save one, which I was instructed to remove myself.