![IMG_1115 Francois Morellet, Pi 12. The succession of the angles correspond to the digits of pi, each multipled by 12 degrees.](thumbs/IMG_1115.webp)
Francois Morellet, Pi 12. The succession of the angles correspond to the digits of pi, each multipled by 12 degrees.
![IMG_1021 Small cross: 10-11th centuries; large cross: late 12th century. The crosses were combined in the 13th century. Gold, silver on wood, precious stones.](thumbs/IMG_1021.webp)
Small cross: 10-11th centuries; large cross: late 12th century. The crosses were combined in the 13th century. Gold, silver on wood, precious stones.
![IMG_1038 Reliquary ornaments, ca. 1150-1175, depicting a city in the style of the manuscripts of the period, such as Jerusalem.](thumbs/IMG_1038.webp)
Reliquary ornaments, ca. 1150-1175, depicting a city in the style of the manuscripts of the period, such as Jerusalem.
![IMG_1039 Reliquary ornaments, ca. 1150-1175, depicting a city in the style of the manuscripts of the period, such as Jerusalem.](thumbs/IMG_1039.webp)
Reliquary ornaments, ca. 1150-1175, depicting a city in the style of the manuscripts of the period, such as Jerusalem.
![IMG_1041 Olifant, ivory, byzantine work, 12th century. From the treasury of the cathedral . The instrument was used as a replacement for the sound of the bells during...](thumbs/IMG_1041.webp)
Olifant, ivory, byzantine work, 12th century. From the treasury of the cathedral . The instrument was used as a replacement for the sound of the bells during…
![IMG_1042 Olifant, ivory, byzantine work, 12th century. From the treasury of the cathedral . The instrument was used as a replacement for the sound of the bells during...](thumbs/IMG_1042.webp)
Olifant, ivory, byzantine work, 12th century. From the treasury of the cathedral . The instrument was used as a replacement for the sound of the bells during…
![IMG_1043 Olifant, ivory, byzantine work, 12th century. From the treasury of the cathedral . The instrument was used as a replacement for the sound of the bells during...](thumbs/IMG_1043.webp)
Olifant, ivory, byzantine work, 12th century. From the treasury of the cathedral . The instrument was used as a replacement for the sound of the bells during…