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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 ...
The Shropshire bulla is an example of "reversible fashion"; the front and back are alike in design, either side can be selected to be the presenting face. Bullae were probably highly prized adornments, worn as clothing accessories to display the wearer's high status and wealth.
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 ...
The seal was discovered in 1904, in an excavation dump. The layers in which it was found were dated to the eighth century BCE. [5] [6] Schumacher sent the original seal to Istanbul, but it was never returned. [7] In 1966 Gottlieb's daughter gave a testimonial that her father told her that the seal was placed in Abdul Hamid II tomb. [8]
In the era of commercial wrought iron, blooms were slag-riddled iron castings poured in a bloomery before being worked into wrought iron. In the era of commercial steel, blooms are intermediate-stage pieces of steel produced by a first pass of rolling (in a blooming mill) that works the ingots down to a smaller cross-sectional area, but still greater than 36 in 2 (230 cm 2). [1]
A gasket is a mechanical seal which fills the space between two or more mating surfaces, generally to prevent leakage from or into the joined objects while under compression. [1] It is a deformable material that is used to create a static seal and maintain that seal under various operating conditions in a mechanical assembly. [2]
The place of discovery of this seal is unknown, and it is currently part of Shlomo Moussaieff's private collection. The seal contains an ancient Hebrew inscription mentioning the name of Ahaz of Judah, as well as the name of his father, Jotham (Jotham), identifying Ahaz as the "king of Judah". The bulla contains a fingerprint which may belong ...
The term "bulla" derives from the Latin "bullire" ("to boil"), and alludes to the fact that, whether of wax, lead, or gold, the material making the seal had to be melted to soften it for impression. In 1535, the Florentine engraver Benvenuto Cellini was paid 50 scudi to recreate the metal matrix which would be used to impress the lead bullae of ...