Motive Power
1794
Vacuum gauge associated by Boulton and Watt, for measuring the pressure in the cylinder or condenser of their steam engines.
James Watt's Garret Workshop
1790-1819
1 Packet “Compn. Mouldings”
Textile Industry
1799
George III half-penny coin, 1799, from the fourth floor of Decker Mill at Murrays' Mills in Ancoats, East Manchester, found during the archaeological survey of the site.
1768-1780
One piece of Wedgwood ware
1 Box, Strap emery
1758-1819
Steel bradawl with turned hickory handle and brass ferrule, United Kingdom, 1758-1819
White ceramic jar with lid, containing white powder, labelled “Sachm. Saturni”, unsigned, United Kingdom, 1790-1819.
1 Packet Ornoto
Box containing 26 small brass hinges and paper packing
1 Packet emery
1758-1773
26 pairs of small brass hinges, two sizes, unsigned, United Kingdom, 1790-1819. Contained within box 1924-792/657
1 Piece of pewter plate, engraved at back, with piece of brass rivetted on
1 Packet White powder
Round wooden box, empty, labelled 'bought'
1 Packet Small stones pinned up
1756-1773
3 Small steel set-squares, with brass stocks, on one stock is engraved “J Watt”, “J.W.” and Figures, by James Watt, United Kingdom, 1756-1773.
1 Packet, Maddr. ep. salt prect. OV )
One of eight long pieces of ebony, partly pierced - violin fingerboards made by James Watt, Glasgow, Scotland, to the design of Charles Clagget, 1758-1769.
King George III
1751
Model of a four wheeled wagon, maker unknown, 1751. Once belonged to Stephen Demainbray.
Part of four-part plaster split mould, rear of head and neck James Watt, by James Watt, Birmingham, England, 1790-1819
1809
Reproduction in wood, No.67 marked on back "Decr 1809 Black", 3 1/2" x 2 5/8"
1808
Reproduction in wood. No 127 marked on back "Herchel 1808 dr" oval 2 3/8 x 1 7/8
1772-1773
2 Zinc discs 7” dia. painted white one side, with broad red line across centre
1 Curved stamp “I. Watt”, wooden handle.
A crucible, 3 1/8" high. Very small chips missing from lip. Traces of fused substance within.
13 Tools with lead round shank
22 Steel stamps, the alphabet less C.J.O. and V.
2 Gravers, in handles
1 Soldering bolt, broken, piece of copper attached by wire.
2 Tool handles
2 Pair of joiners cramps, one screw in each
2 Iron urns, 7” high
2 China basins 3½” dia.
23 Files, various sizes and shapes
7 Tool handles
2 Iron weights, 6” dia. 2½” deep. iron hook on one.
9 Pieces of wire
2 Steel hooks
1 Keg, wormeaten, containing plaster of Paris
1 Plaster bust of boy
26 Hones, various sizes and shapes
1 Brass rosette with pin, 3” dia.
13 Pieces of sand paper
7 Etching needles with wooden handles
Plaster five-part arm mould, inscribed with 'antinos' on one side and rebated at one end, by James Watt, Birmingham, England, 1790-1819
1 Screw-driver
3 Bolts 1¼ “ long with washers
1 Piece of carpet, bound two edges, wrapped round seven other pieces of textile, listed seperately
1 Piece of brown and white striped calico, pieced with white, blue figured, and bound with tape at ends
1 Graver
