Optician more important and dignified. Far-sighted or aging colonial Americans imported spectacles from Europe. Spectacles were primarily for the affluent and literate colonists, who required a valuable and precious appliance. Benjamin Franklin in the 1780s developed the bifocal. Bifocal lenses advanced little in the first half of the 19th century. The terms bifocal and trifocal were introduced in London by John Isaac Hawkins, whose trifocals were patented in 1827. In 1884 B. M. Hanna was granted patents on two forms of bifocals which become commercially standardized as the "cemented" and "perfection" bifocals. Both had the serious faults of ugly appearance, fragility,
The Herb Spectacles Herb Spectacles released their second album called "Bongolito’s Hideaway". The Herb Spectacles The Herb Spectacles were a Dutch mariachi band formed in the Netherlands in 1999. The group was inspired by the likes of Chet Baker’s mariachi recordings and Herb Alpert’s Tijuana Brass. The Herb Spectacles formed in late 1999, when Marcel Kruup and Maarten Heijblok (both ex-Treble Spankers) teamed up with members from Amsterdam's Klezmerband and added a marimba player and percussionist. The group released its debut album, "The Incredible World of... " in June 2003 through Excelsior Recordings, after which the group made appearances at North Sea Jazz