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There were two iterations of a special ink formulated exclusively for use in the Parker 51. This initial ink was highly alkaline and while water-based, also included a substantial amount of isopropyl alcohol. It was released in 1941 as "51" ink, along with the Parker 51 pen. Parker was careful to print prominent warnings on caps, labels, and ...
It was released in 1941 as "51" ink, along with the Parker 51 pen; in 1947 it was made somewhat less corrosive, and renamed "Superchrome". Parker was careful to print prominent warnings on caps, labels, and boxes that the ink could only be used in the 51 (and, later, its economy version, the 21), and would damage any other pen.
Several models of the Parker 51, regarded as the most widely used model of fountain pen. From the 1920s to the 1960s, before the development of the ballpoint pen, Parker was either number one or number two in worldwide writing instrument sales. In 1931, Parker created Quink (quick drying ink), which eliminated the need for blotting. [6]
Francisco Quisumbing. Francisco Arguelles Quisumbing is said to be a Filipino botanist claimed to be the inventor of Quink ink [1] [2] used by The Parker Pen Company. He studied in the Philippines and the US, gaining a BSc from the University of the Philippines School of Agriculture, [disputed – discuss] Los Baños in 1918 and an MSc in 1921.
Parker 51; Parker Jointless; V. Parker Vacumatic This page was last edited on 9 June 2024, at 08:48 (UTC). Text is available under the Creative Commons ...
Parker was born in Shullsburg, Wisconsin in November 1863, and graduated from Upper Iowa University in Fayette, Iowa. He worked as a telegraphy instructor in Janesville, Wisconsin, and had a sideline repairing and selling fountain pens. Dismayed by the unreliability of the pens, he experimented with ways to prevent ink leaks.
(Bíró's patent, and other early patents on ball-point pens often used the term "ball-point fountain pen," because at the time the ball-point pen was considered a type of fountain pen; that is, a pen that held ink in an enclosed reservoir.) [35] This period saw the launch of innovative models such as the Parker 51, the Aurora 88, the Sheaffer ...
It featured an alcohol-based ink instead of methyl isobutyl ketone. Sanford discontinued the Expo 2 in the 2010s and changed this line to the alcohol-based ink. [5] Former "Sanford" logo, used until 2019. Business grew through many acquisitions. Newell already owned Keene Office Products and Rogers Office Products, acquired in 1991.
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