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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.
Quink was heavily advertised, and an immediate success. According to Kenneth Parker's personal journal, Quink production began on March 17, 1931, and $89,000 worth had been shipped by October 22—more than twice the company's expectations and an excellent return on the $68,000 spent on its development. [2]
At that point there were 1103 total stores that specialized in offering ink cartridge refill services in North America [10] and Island Ink-Jet had captured 20% of the in-store ink cartridge refill marketplace. It was second-largest ink-refill chain, behind only Cartridge World. [11] A large portion of these locations were in mall kiosks. [12] [13]
This is normally done by use of a DIY laser toner refill kit that includes a supply of compatible toner, reset chips where required, and instructions for the process of refilling. There are various types of toner powder, and many DIY toner refill products are available either online from ecommerce suppliers or through specialist retail stores.
The as-yet-unknown chemical composition of the ink has made this particular scroll easier to read through X-rays, but scientists believe it may contain one particular ingredient. Defying gravity
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.
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