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A bulla (or clay envelope) and its contents on display at the Louvre. Uruk period (4000–3100 BC).. A bulla (Medieval Latin for "a round seal", from Classical Latin bulla, "bubble, blob"; plural bullae) is an inscribed clay, soft metal (lead or tin), bitumen, or wax token used in commercial and legal documentation as a form of authentication and for tamper-proofing whatever is attached to it ...
Clay bulla impressed with the seal of Barnamtarra, wife of Lugalanda, ensi (ruler) of Lagash. Early Dynastic III, c. 2400 BC. Found in Telloh (ancient Girsu). Two main types of seals were used in the Ancient Near East, the stamp seal and the cylinder seal.
Bulla is made from the liquid squeezed out of the mixture and sometimes eaten as a porridge, while the remaining solids are suitable for consumption after a settling period of some days. Mixed kocho and bulla can be kneaded into dough, then flattened and baked over a fire.
Pitch produced from petroleum may be called bitumen or asphalt, while plant-derived pitch, a resin, is known as rosin in its solid form. Tar is sometimes used interchangeably with pitch, but generally refers to a more liquid substance derived from coal production, including coal tar , or from plants, as in pine tar .
Palaquium gutta. Gutta-percha is a tree of the genus Palaquium in the family Sapotaceae, which is primarily used to create a high-quality latex of the same name. The material is rigid, naturally biologically inert, resilient, electrically nonconductive, and thermoplastic, most commonly sourced from Palaquium gutta; it is a polymer of isoprene which forms a rubber-like elastomer.
Before the age of manhood, Roman boys wore a bulla, a neckchain and round pouch containing protective amulets (usually phallic symbols), and the bulla of an upper-class boy would be made of gold. [1] Other materials included leather and cloth. A freeborn Roman boy wore a bulla until he came of age as a Roman citizen. Before he put on his toga ...
Hawaiian monk seals grow to be 6-7 feet long, weigh 400-600 pounds, and can live more than 30 years. Males and females are generally the same size — the only way to tell them apart is to look at ...
The King Hezekiah bulla is a 3 mm thick soft bulla (piece of clay with the impression of a seal) measuring 13 × 12 mm (½ in × ½ in). It was found in an archaeological excavation together with 33 other seals, figurines and ceramics, in an ancient refuse dump adjacent to the Temple Mount in Jerusalem by Israeli archaeologist Eilat Mazar.