New condenser and air pump mb-code 1240026 Mr Punch warns that the

Mr Punch warns that the Lion is not asleep

A man wearing several hats leans over the heads of two figures who appear to be kneeling down at the water's edge

with a passage to machinery and a refreshments room

Part of the wall is cut away to show the inside with tiered seating and the stage

New condenser and air pump mb-code 1240026 Mr Punch warns that thePlate 13 from the paper 'On a new construction of a condenser and air pump', by Gilbert Austin, Philosophical Transactions of the Royal Society, vol. 103 (1813), pp. 138 145. Figures showing the overall construction and several details of vessels, tubes, collars and joints. The sketches are inscribed above with publication and plate details. Not signed. Royal Society stamp verso. Watermark '1807'. Original: pencil and ink on paper. 1811