Geometric figures and boxes (transmitted light)
Triangles, polygons and perspective boxes on folio 193r
This transmitted-light photograph of folio 193r shows the ink of both sides of the leaf at once. The upper half carries geometric line-figures — triangles and many-sided polygons whose vertices are marked with small dots — while the lower half adds several rectangular boxes drawn in oblique perspective together with further triangulated figures. Faint mirror-script notes surround the diagrams but are not transcribed in this bundle. A crowned collector's stamp is impressed near the centre of the sheet.
On this page
Triangles and polygons with marked vertices
The upper part of the sheet carries several open line-figures — triangles and many-sided polygons — whose corners are picked out with small dots. Straight lines run between the marked points. No lettering from these diagrams is transcribed here.
Rectangular boxes in oblique perspective
Toward the lower left several rectangular boxes or prisms are drawn as three-dimensional solids seen from an angle, standing among additional triangulated line-figures. The strokes are faint because the image is a transmitted-light exposure.