Search results
Results from the WOW.Com Content Network
The 17th-century claim by Francesco Redi that Salvino degli Armati of Florence invented eyeglasses in the 13th century has been exposed as erroneous. [47] [48] Marco Polo is mistakenly claimed to have encountered eyeglasses during his travels in China in the 13th century. However, no such evidence appears in his accounts.
Salvino D'Armato degli Armati of Florence is sometimes credited with the invention of eyeglasses in the 13th century, however it has been shown that this claim was a hoax, and that there was no member of the Armati family with that name at the time. [1] [2] [3] The earliest mention of Salvino degli Armati as the inventor of eyeglasses occurred ...
Edward Scarlett (1688 – 1743 in London) was an English optician and instrument maker, who first invented an eyeglass frame with earhooks in 1727. This frame is held by the nose and ears, at times the glasses were called in contrast to the nasal cannula and temples because they had short straps that pressed on the temple.
The first half of the 18th century saw British optician Edward Scarlett perfect temple eyeglasses which would rest on the nose and the ears. The innovations presented by Scarlett would not only spark some to look at aesthetic customization of eyewear for fashion within Europe but also lead Benjamin Franklin to invent bifocals in colonial America. [12]
Between the 11th and 13th centuries, so-called "reading stones" were invented. Often used by monks to assist in illuminating manuscripts, these were primitive plano-convex lenses, initially made by cutting a glass sphere in half. As the stones were experimented with, it was slowly understood that shallower lenses magnified more effectively ...
Reading Saint Peter with eyeglasses (1466) Spectacles (1280s) The first spectacles, invented in Florence, used convex lenses which were of help only to the far-sighted. Concave lenses were not developed prior to the 15th century. Watermark (1282) This medieval innovation was used to mark paper products and to discourage counterfeiting.
The search engine that helps you find exactly what you're looking for. Find the most relevant information, video, images, and answers from all across the Web.
Based on the eyeglass design of the same name, browline glasses have hard plastic or horn-rimmed arms and upper portions joined to a wire lower frame. A traditional, conservative style based on mid-20th century design, browlines were adapted into sunglasses form in the 1980s and rapidly became one of the most popular styles; it has ebbed and ...