Navy Yard July 23d 1807
Imploy’d when the servant called in fixing The tube (or female screw) to the rack work to anticipate your wish, having heard of the Telescope, Orrery &c being at the Navy office prior—Am sory I could not detain the servt. & horse without permission till finished, which short time would do, as every thing is ready to attach—I will have the honor of finishing & simplifying the small business so soon as you have made the comparitive trial—I expect the new one has the advantage. I have the
Honor to be Sir Yours Respectivly
MHi: Coolidge Collection.