New condenser and air pump V Plate 1 from Ichnographia speculae

Plate 1 from Ichnographia speculae Regiae Grenovici exquisite facta (London

24th May 1969

'Titianus redivivius

Groom of the Bedchamber to the Duke of York

Sir John Coxe Hippisley (1748-1825) [centre

New condenser and air pump V Plate 1 from Ichnographia speculaePlate 14 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. There is a brief note 'Figure 5 at (a b c) is much too large but I have not time to correct or improve it'. Not