Ad
related to: parker 51 special aerometric dating
Search results
Results From The WOW.Com Content Network
The 51 is popular with pen collectors, and in 2002 Parker issued a lookalike model called the 51 Special Edition. [6] In 2004, the Parker 100 was released. It was a larger and heavier version of the original Parker 51.
Some of its brands of fountain pens include Hero, Wing Sung, Lucky, Huafu, Xinming, Guanleming, Xinhua, and Gentleman. The design of some of its Hero pens, such as the Hero 616 or Hero 100, resemble that of the Parker 51, a popular American-made pen. Hero fountain pens were very popular in India from the 1970s to 1990s.
Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Pages for logged out editors learn more
George Safford Parker, the founder, had previously been a sales agent for the John Holland Gold Pen Company.He received his first fountain pen related patent in 1889. [3] In 1894, Parker received a patent on his "Lucky Curve" fountain pen feed, [4] which was claimed to draw excess ink back into the pen barrel when the pen was not in use.
Radiometric dating has been carried out since 1905 when it was invented by Ernest Rutherford as a method by which one might determine the age of the Earth. In the century since then the techniques have been greatly improved and expanded. [17] Dating can now be performed on samples as small as a nanogram using a mass spectrometer. The mass ...
P-51 can opener, a larger version of the P-38 can opener issued by the United States Armed Forces; Papyrus 51, a biblical manuscript; Parker 51, a fountain pen; P51, a state regional road in Latvia; ThinkPad P51, a laptop in the ThinkPad P Series
Prior to the full public introduction of the Parker 51 in 1941, selected market testing of the new pen was carried out, starting in 1939. Since the 51 and its special ink had been designed together as a complete system, the new ink was given limited release in tandem with the market tests under the name "Double Quink".
The Vacumatic featured a brand new filling mechanism which took 5 years to develop at a cost of $125,000. Parker boasted the model to be the first self-filler without a sac; while this was not entirely true, the filling mechanism was still a great innovation. By using a diaphragm rather than a sac, the whole barrel can be used as a reservoir.