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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.
There was a company called Quisumbing Ink Products in the Philippines, unconnected to Parker, founded by a chemical engineer named Francisco A. Quisumbing. The milestones of Quisumbing's documented career are close enough to those recounted in the apocryphal accounts that it is probable that they refer, with differing degrees of accuracy, to ...
Canon introduced this system in 1987 along with the EF lens mount standard. The last non-EOS based SLR camera produced by Canon, the Canon T90 of 1986, is widely regarded as the template for the EOS line of camera bodies, although the T90 employed the older FD lens-mount standard. For a detailed list of EOS Film and digital SLR cameras, see ...
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National historical marker installed in 1986 in Pasay, Metro Manila. From 1920 to 1926 he was attached to the College of Agriculture in U.P., and from 1926 to 1928 to the University of California; in 1928 appointed systematic botanist and since February 1934 acting chief of the Natural Museum Division of the Bureau of Science, Manila, now director of the National Museum.
Inkjet printing is a type of computer printing that recreates a digital image by propelling droplets of ink onto paper and plastic substrates. [1] Inkjet printers were the most commonly used type of printer in 2008, [2] [needs update] and range from small inexpensive consumer models to expensive professional machines.
Zink (stylised as ZINK, a portmanteau of zero and ink) is a full-color printing technology [1] for digital devices that does not require ink cartridges and prints in a single pass. [ 2 ] The printing technology and its thermal paper are developed by Zink Holdings LLC, a U.S. company, with offices in Edison, New Jersey , and Billerica ...
Iron gall ink (also known as common ink, standard ink, oak gall ink or iron gall nut ink) is a purple-black or brown-black ink made from iron salts and tannic acids from vegetable sources. It was the standard ink formulation used in Europe for the 1400-year period between the 5th and 19th centuries, remained in widespread use well into the 20th ...