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Believed to be the first coupon ever, this ticket for a free glass of Coca-Cola was first distributed in 1888 to help promote the drink. By 1913, the company had redeemed 8.5 million tickets. [6] Coca-Cola's 1888-issued "free glass of" is the earliest documented coupon. [6] [7] Coupons were mailed to potential customers and placed in magazines ...
Zenni Optical mail order. Zenni Optical was founded in 2003 by Tibor Laczay and Julia Zhen. [1] [2] Before being renamed to Zenni Optical when it began offering $7 and $8 glasses, the company was named 19dollareyeglasses.com. [3] [4] [5] Around 2014, co-founder Zhen acquired the building occupied by the Marin Independent Journal to house Zenni. [6]
First workshop of Carl Zeiss in the center of Jena, c. 1847 Carl Zeiss Jena (1910) One of the Stasi's cameras with the special SO-3.5.1 (5/17mm) lens developed by Carl Zeiss, a so-called "needle eye lens", for shooting through keyholes or holes down to 1 mm in diameter 2 historical lenses of Carl Zeiss, Nr. 145077 and Nr. 145078, Tessar 1:4,5 F=5,5cm DRP 142294 (produced before 1910) Carl ...
According to the company, 50 percent of its revenue came from repeat customers in 2013. [citation needed] Customers must have a valid prescription prior to purchasing prescription eyeglasses from Eyebuydirect. [9] The company sells multiple types of lenses, including bifocal, progressive, and Transitions lenses. [5]
Carl's father, Johann Gottfried August Zeiss (1785–1849) was born in Rastenberg, where his forefathers had worked as artisans for over 100 years.August moved with his parents to Buttstädt, a small regional capital north of Weimar, where he married Johanna Antoinette Friederike Schmith (1786–1856).
Contarex I, showing aperture selected in the "Bullseye/Cyclops" window. The Contarex I, aka Bullseye (catalog 10.2401), was built between 1959 and 1966. [14] It was the first 35mm SLR camera with a focal plane shutter that provides direct light meter coupling to the shutter-, aperture-, and film speed-settings; they are interconnected by cords.
These phase-correction coating or P-coating on the roof surfaces was developed in 1988 by Adolf Weyrauch at Carl Zeiss [6] Other manufacturers followed soon, and since then phase-correction coatings are used across the board in medium and high-quality roof prism binoculars. This coating corrects for the difference in geometric phase between s ...
Carl Zeiss AG; Usage on cs.wikipedia.org Carl Zeiss AG; Usage on de.wikipedia.org TecDAX; MDAX; Carl Zeiss AG; Carl-Zeiss-Stiftung; Carl Zeiss Meditec; Carl Zeiss Sports Optics; Carl Zeiss Microscopy; Benutzer:LZ6387/Liste der größten Unternehmen in den neuen Bundesländern & Berlin; Carl Zeiss SMT; Carl Zeiss Jena (Unternehmen) Liste der im ...