Thermometrical barometer Size:L: 80 x 60cm Young pop stars gathered at

Young pop stars gathered at the Albert Memorial in London for a bread and water lunch to draw attention to Oxfam's Christmas appeal

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

as it would have appeared from the River Thames

the Monument and St Magnus the Martyr

Thermometrical barometer Size:L: 80 x 60cm Young pop stars gathered atPlate 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