Catoptric microscope Product:Postcard and the lower view shows

and the lower view shows peace proclaimed at Temple Bar

with the title on a banner flanked by the City of London and royal arms

Parliament Square

The former Liberal Prime Minister

by Richard Bradley (Emanuel Matthews

Catoptric microscope Product:Postcard and the lower view showsView of a microscope shown on a pedestal stand: with a section through the instrument, a scheme of its optical arrangement and details of the mirror based instrument. The microscope was inspired by the Newtonian reflecting telescope. From the manuscript paper 'An account of a catoptric microscope', by Robert Barker. Not signed. Royal Society Register Book Original, vol. 19 1734 1736, pp. 256 260. The paper was read before the Royal Society on 8