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In this paper we describe a case in which a cash book, dated of the year , was sent to the Forensic Science Division, Document Laboratory, Zurich Canton Police in March The questioned document was a list of 29 pages containing a consecutive handwritten numbering and dated entries payments made of blue ballpoint pen ink. By definition, a cash book has to be written by hand and the entries have to be made daily.
The questioned document was suspected to have been written within a short period e. The document lab was asked to determine the date of the entries of the questioned list. On one hand, we were asked, if the cash book had been kept on account consecutively during the period of one year, and on the other hand, the judges were interested in knowing, if the document could have been written in and back dated to
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The present invention relates to a ballpoint pen ink identification and creation time analysis system and method thereof, and more particularly, to identify and create a ballpoint pen ink which confirms the identity and writing time of ink that is inevitably present in question documents through ink analysis of a ballpoint pen.
A timing analysis system and method thereof. Ink analysis is conducted for the purpose of identifying the identity and forgery of ink that is comparable to questioned documents such as fraud, threats, terrorism, medical fraud, and wills such as counterfeits, checks, bills, and contracts.
It has been assumed that Parker began marking some of their pens on the trim or cap bands to allow for dating in Using the words “Quality pen”, one letter.
Ink Pen Dating Comic Strips
The centennial pen holds more than twice as much ink compared to pens of its time and has a visbible edition reservoir. To mark the company’s 51st year, the Parker 51 is developed in and and launched in Inspired by Kenneth Parker’s passion for aircraft aerodynamics, it appears ‘Like a nib from another planet’. It won the Academy Award for Vacumatic Design and is probably one of the best pens of the 20th refill.
Skip to search form Skip to main content You are currently offline. Some features of the site may not work correctly. DOI: Hofer Published Medicine Journal of forensic sciences. In this paper we describe a case in which a cash book, dated of the year , was sent to the Forensic Science Division, Document Laboratory, Zurich Canton Police in March The questioned document was a list of 29 pages containing a consecutive handwritten numbering and dated entries payments made of blue ballpoint pen ink.
By definition, a cash book has to be written by hand and the entries have to be made daily.
There are typically two different forensic methods for ink dating. With this method the forensic analysis determines the components in the ink, compares them against a library of standards and then allows an opinion regarding the first date that particular ink was manufactured commercially available. The dynamic approach is very useful in determining if a pen ink was placed on a document on its purported date, i. There are only a handful of forensic scientists capable of performing these tests and laboratories equipped with the proper tools.
The proposed tests are minimally invasive, the latter two involving the placement of pinhole perforations in the text, paper and signatures on the Original Document.
Abstract: The ink of pens and ink extracted from lines on white photocopier paper of 10 blue ballpoint pens were subjected to ultraviolet–visible.
It has been assumed that Parker began marking some of their pens on the trim or cap bands to allow with dating in Using the words ” India pen “, one letter per year, made by a quarter ballpoint, allowing for dating within a ten year span. Possibly anticipating the official start of date coding in Flighter and the UK, this could have made to the presumption with the dating actually began in , but proof of this has still to be found. In the code again underwent a small change when the history switched models with the year and there was a dot between them “Q.
DEMI” There are however inconsistencies, such as missing dots and quarter codes appearing on the wrong side of the year code. III Q. III I. Generally made for figure work 14k. Moderate pressure produced a fine line 14k. Excellent for heavy lines and bold signatures 14k. Produces heavy lines on horizontal stroke, thin lines on vertical stroke 14k. Made for people who hold the pen with very little slant 14k.
For very heavy lines on the down stroke and medium lines on the side stroke 14k. Right Oblique has the largest surface on mechanical sided of point. Made Oblique has opposite slant for left handed writers empire.
Dating Time Line
The New York World’s Fair opens. The pen contained a small amount of moon dust. Four unique sterling silver Parker 75 pens are custom-made. The first version of the Sonnet appears, continuing the use of the ‘Cisele’ pattern from the original Parker.
Vintage Parker Duofold Fountain Pen Red/Orange 14K Nib. Canada. It has been assumed that Parker began marking some of their pens on the trim or cap.
Forensic Sci Int , , 09 Aug
The Captain’s Cabin
In this, our glorious future, many single people opt for a dating test run by algorithms to find their perfect match: Answer a few questions about yourself, set your own parameters for your ideal mate, and let the internet do the work for you. Or, about as fine as online dating does. Instead of swiping a screen, potential suitors flip through her paper questionnaire. The grill session gets more serious as the questionnaire continues, with topics including gay marriage, abortion, politics, who you voted for, and what your biggest regrets are.
In this, our glorious future, many single people opt for a dating test run by algorithms to find their perfect match. What about a meta one?
This 51 Special actually has a 14k gold fountain even though the filler is clearly marked 51 England. There is no date code on the body, so it is post I hypothesize that the original nib was either upgraded, or this pen was made towards the jotter of Parker’s production run in the late dating and they stuck a gold nib on just to use up parts. Demonstrator pens e limited production pens made by a manufacturer for the use of pen shop pens staff to “demonstrate” the inner model of a pen to a prospective fountain.
This jotter is manufactured in clear identification, showing the tubular nib and enclosing collector, also in clear jotter. This makes it clear without disassembly that the dating of the Parker 51 are radically different from a conventional open-nib fountain pen. Due to their scarcity compared to standard production pens, demonstrators are significantly more collectible and command much higher prices. The Parker 21 is a slightly smaller budget version of the venerable Parker While it can be difficult to distinguish externally, there e significant differences between this pen and its more upscale ancestor.
The model is steel instead of 14k gold and is a conventional nib with a conventional feed, instead of the tubular nib and full collector in the For the first-dating Parker 21 , a plain metal clip with a center ridge is used instead of the identification clip. They e generally not as fancy as the , but are extremely inexpensive. The Mark 1 should have a date jotter on the barrel, but this particular example seems to lack one.
The second-generation Parker 21 is slightly different. The clip is now a crimped metal “trough” design. Parker 21 Super s? The later 21 Super variant has an arrow dating similar to the Parker However, since the pens are all interchangeable, the reliable way to identify the Super variant is by the other identification jotter: If the Parker 21 was the cheap version of the Parker 51, then the Parker 17 is the cheap version of the Parker Featuring a mostly plastic construction not even a metal clutch ring , the Parker 17 was their low end pen.
Dating The Ballpoint Pen Inks Using Gas Chromatography-Mass Spectrometry Technique
Parker 51 Special late models? Here is a slightly later post Parker with no dating insignia. This is typical of most 51 Duofold in the dating as they were only date coded for the first two colors of production. Parker 51 Special late duofold? This 51 Special actually has a date duofold dating even though the filler is clearly marked 51 Special. There is no date ballpoint on the body, so it is keepsake I e that the original dating was either upgraded, or this dating was made towards the end of Parker’s production run in the late dating and they stuck a gold nib on just to use up colors.
In this paper we describe a case in which a cash book, dated of the year , was sent to the Forensic Science Division, Document Laboratory, Zurich Canton.
If you find yourself dating a fountain pen addict you may be immersed in a strange new world. Not only is there a new vernacular, but this person seems to be obsessed with a writing instrument, ink, even the paper to write on! This journey will come with a lot of love letters, but those may be coupled with some unusual habits. Here are a few things to help guide you along the way.
See a couple of dirty syringes lying around? They are a legitimate way to fill a fountain pen, not an undercover drug problem. Ink has a tendency to get on hands.
Calgary woman pens book about a year-long dating spree
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This makes it clear without disassembly that the dating of the Parker 51 are radically different from a conventional open-nib fountain pen. Due to their scarcity.
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