During the middle 1934 Parker first started establishing extremely pencils and you may pencils with a date code, the barrel plus the nibs were marked, but not having a night out together code doesn’t invariably imply that the fresh new pencil was created pre-1935, as most imprints were worn off which have explore. The initial go out rules, discovered such as for instance for the Vacumatics, include a few digits, the initial one to denoting brand new one-fourth regarding design, next denoting the production 12 months. Which an effective “47” marking to the a 1930’s pencil mean that brand new pencil was put regarding the 4th one-fourth out-of 1937, perhaps not 1947, which is a common myth.
From the 2nd quarter out of 1938 this product are not changed to save development time, and you will another type of date code, using a system from dots, try followed. New stamp initial got three dots and for each one-fourth you to mark was submitted down making nothing with the last one-fourth. 8. into the following quarter of 1938. Plus, because this coding system longer more than ten years, a pencil noted 38 would be brought the third quarter sometimes from inside the 1938 otherwise 1948.
In 1950 an alternate program toward big date coding was introduced where in fact the a couple of digits only conveyed the year, not the newest quarter which “50” setting made in 1950, this program was utilized in the usa up to 1955 plus Canada many years expanded.. Continue reading