Salvino d armate glasses blueprints etc

Del Migliore never produced this burial register, and it has never been found. Del Migliore claimed that D'Armati's tomb and its epitaph was obliterated during the church's restoration. In , the Italian scholar Isidoro del Lungo — pointed out 1 that nowhere else had a "Salvino degli Armati" been credited with being the inventor of eyeglasses, 2 that in the 14th century, the epitaph would have read " le peccata", not " la peccata", and most importantly, 3 that the term "inventor" did not exist in the Florentine vernacular during the 14th century.

Del Lungo also found that a "Salvino degli Armati" had died in , but he had been a humble artisan who had never dealt with eyeglasses. Lack of evidence did not discourage the spreading of this claim about Salvino degli Armati. In , Domenico Maria Manni — of Florence published a book on the subject: Degli occhiali naso inventati da Salvino Armati, gentiluomo fiorentino.

Again, despite the lack of evidence, the historian Pasquale Villari composed and had posted in Florence in a plaque honoring Salvino degli Armati as the inventor of eyeglasses. Furthermore, between and , a portrait head of Salvino degli Armati with a plaque [ 11 ] containing his epitaph was mounted in the chapel of the Orlandini de Beccuto family of the Church of Santa Maria Maggiore.

In the twentieth century, efforts were made to expose as a hoax the claim that Salvino degli Armati invented eyeglasses: The Dizionario enciclopedico italiano , vol. Furthermore, Vasco Ronchi , an Italian physicist who specialized in optics, also published an article on the subject as did the American historian of science Edward Rosen and the Italian professor of ophthalmology Giuseppe Albertotti — Contents move to sidebar hide.

The first paternity of the invention was attributed to Salvino Armato degli Armati , who seems to have been born and lived in Florence between and , even if there are no documents of the era that can confirm it. In the Church of Santa Maria Novella in Florence, during the sermon, the friar Beato Giordano da Rivalto refers to the invention of the eyes and says he has met the man to whom this invention is owed.

Unfortunately he does not mention him. In terms of dating it refers to twenty years before, that's why the invention of eyewear dates back to It should be noted that Brother Giordano was a confrere with Alessandro Spina. TheDominican friar Alessandro Spina , born and lived in Pisa , skilled cop and ta, very ingenious, he would embrace the inventor of glasses.

An 'important witness is in a Latin Chronicle, as oscritta in parchment, for the' years in M onastero Dominican Santa Caterina D 'Alessandria in Pisa and precisamen you in step 16, which presents the' eulogy of monaco Alessandro Spina. There is praise the manual skills of the plug and it is emphasized that he would see the little glasses after their invention, and that they had, cleverly cop hiatuses.

It is further stated that the inventor kept the manufacturing method secret. But this chronicle , according to Edward Rosen , historian of the early twentieth century, had been erroneously transcribed by the doctor, biologist and literary Francesco Redi Arezzo Pisa at the end of the eighteenth century, with the result that the invention of the precious object was attributed to Spina himself.

What certain that these two lenses hiuse in a nasal frame occulis de vitro cum capsule were a discovery of the artisans and not the result of official science; in fact , philosophers and mathematicians were skeptical about it. The spread of glasses in the known world was thanks to the first Jesuit missionaries and Venetian merchants. Up until glasses were made exclusively with convex lenses positive , they were used in senile age to compensate for presbyopia "for near" or a slight hypermetropia "for far" also called foresight, a defect in some elderly subjects.

We had to wait for the first half of the s to solve the visual problems related to the myopic defect, they began research on concave lenses negative , necessary for correction of myopia, even if it seemed there was a particular need to show well in the distance. He began his studies in Germany and ended them in Padua. Divine theologian then c ardinal, in he became interested in astronomy elaborating theories on the still valid universe.

The first user of lenses for myopia, of which we have news, he is the second son of Lorenzo the Magnificent , Giovanni de 'Medici , future Pope Leo X, seems portrayed in youth by Raffaello Sanzio with a pair of glasses with concave lenses, to improve the sight in the shooting of wild game. The first scientific explanation of how the concave lenses produce beneficial effects on myopia comes years later by the German mathematician Friedrich Johannes Kepler In the artisan workshops of Florence, in the mid-fifteenth century, centers of research and experimentation were born on the use of ophthalmic lenses that through the exchange between theoretical science and practical application allowed a progressive improvement of the product.

The Florentine producers became famous in the known world, for the good quality of the glasses at very convenient prices; between and , over 52 merchants in glasses were registered in Florence.

Salvino d armate glasses blueprints etc

The cheapest glasses were priced between 6 and 18 Money, the ones with the most worked frames, in gold or silver, were sold to about 1 Ducato, equivalent to 82 Money, considering that a mason earned 17 money a day. With the invention of printing and the exponential increase in publishing production that follows the diffusion of the glasses, it receives a great boost.

Continued is the search for a better stability of the glasses on the nose in order to carry out activities where the hands are necessary: amanuenses, copyists, engravers and goldsmiths. Thirdly, the term "inventor" itself did not appear in Florence until much later. Del Lungo also demonstrated that a certain Salvino degli Armati did die in , but he was a humble craftsman with no relation to glasses.

In conclusion, while Salvino degli Armati was once widely believed to have invented glasses, further scrutiny and research have cast doubt on his alleged authorship. The story surrounding Salvino's invention of glasses remains an intriguing historical mystery. Salvino Armati Florentine, supposed inventor of glasses Country: Italy. Contact About Privacy.

Nobuhiro Watsuki. William Armstrong. Junko Shimada. Michael Michalsky.