Making money; pots of liquid metal being handled in the melting room Size:L: 90 x 60cm The work is inscribed with

The work is inscribed with publication and plate details and the note 'Explanatory Figure' has been pencilled through as a deletion

Covent Garden was designed by Inigo Jones and built in the 1630s

He has dark natural hair

The drawings are pasted into volume 1 of Piaggio's notebooks for the period 1779-1781

Joseph Paxton's building for the Great Exhibition of Industry of All Nations in London

Making money; pots of liquid metal being handled in the melting room Size:L: 90 x 60cm The work is inscribed withMaking money; pots of liquid metal being handled in the melting room, 20th century. A red hot pot containing liquid metal has been lifted out of the furnace in a clamp and is being hoisted across the room.