A new barometer Size:XL: 100 x 70cm 'The Waits'

'The Waits'

Figure 1 'Sillargus burrus Crimson-backed Sillago' [modern taxonomy Sillago burrus Western trumpeter whiting] from the 'north-west coast of Australia' according to the accompanying text

London destroyed by fire in 1838

with multiangular tower and St Mary's Abbey Church ruins

A new barometer Size:XL: 100 x 70cm 'The Waits'Plate 13 from the paper 'Description of a new barometer for measuring the heights of mountains and other places', by Tiberius Cavallo. Not published in Philosophical Transactions of the Royal Society. Five figures including elevations of the instrument with its stand and with details of fittings. Signed in ink lower left 'T. Cavallo delt.' Original: ink on paper. 1786