Francois Boucher The Marquise de Pompadour

Francois Boucher The Marquise de PompadourFrank Dicksee PassionAndrea del Sarto Holy Family
And he put the first slide into the frame and slid it behind the lens. A circular photogram in sharp black and white appeared on the screen. It had been taken at night under a full moon, and it showed a wooden hut in the middle distance, same spot only a minute later, with a new specially prepared emulsion."
He lifted out the first slide and dropped another into the frame. This was much darker; it was as if the moonlight had been filtered out. The horizon was still visible, with the dark shape of the hut and its light snow-covered roof standing out, but the complexity of the its walls dark against the snow that surrounded it and lay thickly on the roof. Beside the hut stood an array of philosophical instruments, which looked to Lyra's eye like something from the Anbaric Park on the road to Yarnton: aerials, wires, porcelain insulators, all glittering in the moonlight and thickly covered in frost. A man in furs, his face hardly visible in the deep hood of his garment, stood in the foreground, with his hand raised as if in greeting. To one side of him stood a smaller figure. The moonlight bathed everything in the same pallid gleam."That photogram was taken with a standard silver nitrate emulsion," Lord Asriel said. "I'd like you to look at another one, taken from the