Packet, tied to wood lid, addressed “James Watt, Harper hill
James Watt's Garret Workshop
1790-1819
1 Packet, tied to wood lid, addressed “James Watt, Harper hill, containing 1 Brass plate 8⅛” x 8⅛” x ½” for grinding glasses, 1 Brass plate 6⅛” x 6⅛” x 7/16” for grinding glasses, 1 Brass plate 4” x 4” x ⅜” for grinding glasses, 1 Lead plate 6” x 5¼” x ½” with 4 holes