| Description | Soho House, Copying Press, Scientific Apparatus, James Watt’s Small Lathe Engine etc. (13 items).
1473. Scientific Apparatus etc. Jan. 1781, Sep., Dec. 1782, not dated. 13 items.
Plan and sections of Dr. Black's Furnace, not dated.
Machine for drying linen by steam, Jan. 1781 - by James Watt [?]. Marked "Copy for Dr. Brewster by W. Creighton, May 1815."
Sheet of drawings of pump for Dr. William Withering, Sep. 1782, with 2 partially coloured drawings of valves for the pumps, Dec. 1782.
Telescope stand for James Watt - partially shaded sketch by John Southern, not dated.
"Two vessels or jars with round bottoms… to be made of Flint Glass" (one inside the other) - 2 shaded drawings, 1 unmarked, not dated.
Sketch of a jar or vessel by John Southern, not dated.
4 drawings of a jar or vessel with a brass top and screw mechanism [vacuum vessel?], not dated.
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