Monday, October 20, 2014

Vannoccio Biringuccio and the Art of Metalworking

De la Pirotechnia (1540)
by Vannoccio Biringuccio
Probably on October 20, 1480, Italian matallurgist Vannoccio Biringuccio was born. He is best known for his manual on metalworking, De la pirotechnia, published posthumously in 1540. Biringuccio is considered by some as the father of the foundry industry.

Biringuccio was born in Siena to Paolo Biringuccio, thought to have been an architect and public servant, and his mother was Lucrezia di Bartolommeo Biringuccio. He was baptised on October 20, 1480. Thus, he might have been born the day before. He was a follower of Pandolfo Petrucci, the head of the powerful Petrucci family, the rulers of the Italian city of Siena. As a young man Biringuccio was travelling in Italy as well as in Germany inspecting metallurgical operations. After running an iron mine and forge at Boccheggiano for Pandolfo Petrucci, he was appointed to a post with the arsenal at Siena and in 1513 directed the mint. When Pandolfo died, Biringuccio remained tied to the Petrucci family, being employed by Pandolfo's son Borghese Petrucci. However, the uprising of 1515 forced Borghese to flee from Siena, taking Biringuccio with him. Biringuccio traveled about Italy, and visited Sicily in 1517.

In 1523 Pope Clement VII caused the reinstatement of the Petrucci family, and along with them Biringuccio was able to return from exile. In 1524 he was granted a monopoly on the production of saltpeter across all of Siena. However, this was short lived — already in 1526, the people of Siena revolted and threw the Petrucci family out again. Although, the family made an attempt aided by Biringuccio to regain Siena by force, but it failed. Thereafter Biringuccio served the Venetian and Florentine republics, and cast cannon and built fortifications for the Este and Farnese families.

In 1530, Siena entered a more peaceful phase, and Biringuccio returned, time in honor, as senator and, succeeding Baldassare Peruzzi, as architect and director of building construction at the Duomo. In 1538 he became head of the papal foundry in Rome, and director of munitions. His exact place and date of death is unknown; all that is known is that a document dated 1539 mentions his death.

The reason for Biringuccio's fame is certainly the publication of his manual on metalworking, De la pirotechnia, published posthumously in 1540. Thus, Biringuccio is considered by some as the father of the foundry industry as De la pirotechnia is the first printed account of proper foundry practice. It also gives details of mining practice, the extraction and refining of numerous metals, alloys such as brass, and compounds used in foundries and explosives. It preceded the printing of De re metallica by Georg Agricola by more than a decade. Moreover, Agricola's famed sections on glass, steel, and the purification of salts by crystallization are in fact taken nearly verbatim from the Pirotechnia. The work is one of earliest technical manuscripts to survive from the Renaissance, and is thus a valuable source of information on technical practice at the time of writing. The work was printed in 1540 in Venice, and has been reprinted numerous times [2].

Biringuccio is also important in art history for his description of the peculiarly Renaissance arts of casting medallions, statues, statuettes, and bells. His account of typecasting, given in considerable detail, is the earliest known. The Pirotechnia contains eighty-three woodcuts, the most useful being those depicting furnaces for distillation, bellows mechanisms, and devices for boring cannon and drawing wire.[2]

A member of Fraternita di Santa Barbara guild, before his book information on metallurgy and military arts were closely held secrets. In fact, his book is credited with starting the tradition of scientific and technical literature.[2] Also, Pirotechnia offers one of the first written attempts to explain what causes a rocket to move. Biringuccio attributed the propulsive force to a "strong wind":
One part of fire takes up as much space as ten parts of air, and one part of air takes up the space of ten parts of water, and one part of water as much as ten parts of earth. Now sulfur is earth, consisting of the four elementary principles, and when the sulfur conducts the fire into the driest part of the powder, fire, and air increase ... the other elements also gird themselves for battle with each other and the rage of battle is changed by their heat and moisture into a strong wind. (Vannoccio Biringuccio, De la Pirotechnia, 1540)
At yovisto, you can learn more about the epoch of the European Renaissance in the lecture of Prof. Thomas W. Laqceur from Berkeley on 'European Civilization from the Renaissance to the Present'.



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