This rather rough-looking punch, found among Watt's tools, is marked 'T Lot', a celebrated French flute-maker who supplied the King.
Watt's workshop is a historical time capsule - a complete physical record of the working life and interests of the renowned Scottish engineer.
This is the oldest surviving engine built by Boulton & Watt and the second engine built at the Soho Manufactory, Birmingham.
James Watt used this model to develop the separate condenser, the greatest single improvement to the steam engine ever made.
This model appears to have been a working tool to plan out a 'rational factory'. It contains 148 moveable walls and partitions.
Watt's workshop contains three circular saw blades, which Watt used in manufacturing the fingerboards for violins.
Watt's workshop is an exceptionally rich source of surviving artists' moulds, many still tied up with ancient string.
This bust comes from a plaster mould in Watt's workshop. A hitherto unknown view of the great engineer.
Watt designed this counter so his customers could be charged for the exact amount of work done.