Thermometrical barometer Size:L: 80 x 60cm Elevation of the shop front

Elevation of the shop front of Brown and Crow

Jefferson Davies was elected president of a new Confederacy but the Northern States refused to recognise the right to secession

In the distance is the steeple of St Vedast

Escapologist

with figures and vehicles in the street

Thermometrical barometer Size:L: 80 x 60cm Elevation of the shop frontPlate 7 from the paper 'Description of a thermometrical barometer for measuring altitudes' by Francis John Hyde Wollaston, Philosophical Transactions of the Royal Society, vol. 107 (1817), pp. 183 196. The figures show the fully assembled instrument (figure 7) with details of components including the thermometer and a Vernier scale. Original: ink on paper. 1817