One of two large gray metal boxes with a large number of sockets for plugs, some labelled as potentiometers, and a Voltage dial. Labelled on front in inscription. Complete with power cables.
One of two large gray metal boxes with a large number of sockets for plugs, some labelled as potentiometers, and a Voltage dial. Labelled on front in inscription. Complete with power cables.
4 anamorphic drawings on circular sheets of waxy paper. Small hole in centre of sheets:
1) Bird of paradise in blue, red and green.
2) stork in black and white with red beak and legs and green frog in its mouth
3) diagram of four overlapping…
3 anamorphic drawings on circular sheets of paper. Small hole in centre of sheets:
1) black and white drawing of 8-pointed star with radii
2) similar too above but on different paper
3) geometric design, black and white with grey and green shading
A hemispherical polished speculum cylinder mounted in a wood pillar case with brass small handle. Tin-plate storage case. Ivory maker's plate inlaid into pillar. Accompanied by a selection of early 19th century anamorphic drawings.