The small letters p, q, b, d can be obtained, one from the other, with a certain trick of ...
A letter with horizontal symmetry (parallel to the direction of writing). Exhibit of Simme...
A letter with vertical symmetry (perpendicular to the direction of writing). Exhibit of Si...
A letter without symmetries. Exhibit of Simmetria, giochi di specchi - Symmetry, playing...
A letter without symmetries. A rotation of 180° sends the letter in itself. Exhibit of S...
A letter with two axes of symmetry. Exhibit of Simmetria, giochi di specchi - Symmetry, ...
A letter with vertical symmetry (perpendicular to the direction of writing). Exhibit of Si...
The small letters p, q, b, d can be obtained, one from the other, with a certain trick of ...
The different effect of two mirrors on various letters, according to their axis of symmetr...
