Anon
The Church of St. Peter in Rome
London , Robert Sayer ca. 1770
Engraving
Original hand colouring
260 x 400 mm
£180
These very brightly coloured ‘perspective views’ were printed for both decorative and educational use. They were intended to be viewed through a device known alternatively as an ‘optical diagonal machine’ or ‘zograscope’, which produced a reversed and magnified image with a crude 3D effect
