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,
While Waiting for the Red Spectacles Riot is portrayed in "Kerberos Panzer Cop: Conclusion"'s Act 6. "Tachiguishi-Retsuden" was written by Mamoru Oshii in 2004. It extends the Tachigui arc introduced in "While Waiting for the Red Spectacles". Kerberos saga historical background and significant dates in both the real and fictitious history. The narration is about events happening to Koichi Todome while exiled from Japan after the Kerberos Riot, before Inui came to Taiwan seeking for him. The portrayed events can be localized in the saga's timeline between the prologue of "The Red Spectacles" and "StrayDog". In 1999, "3rd night: Story of the incident of Fast Food