Dating owens illinois glass bottles

04-Jan-2020 06:03

An example of this is the finding of a few pontil scarred utilitarian bottles among otherwise late 19th or early 20th century refuse.

It is unlikely that this bottle was made during the same era, but instead was reused for a lengthy period or otherwise retained until broken or discarded.

Pontiled base fragments could also be from later produced "specialty" bottles which are described below.5.

Some bottle shapes are indicative of a particular manufacturing era, though many bottle styles/shapes were used for so many years - like the cylinder whiskey "fifth" or square snuff bottle - that the shape itself is not indicative of age.

This was almost universal with many beverage bottle types (e.g., soda, beer, milk) but was variably common with just about any type bottle - especially prior to 1920. I know its not really that old just a little curious about some more info on it.You might want to explore there a bit, or a lot, cuz it's one of the most informative sites on the net regarding old glass.Been digging and finding a lot of duraglass on the top. (Information courtesy of Phil Perry, engineer with that company.) This process - and the embossed notation of it ( in script) on the base of many Owens-Illinois products - began in 1940 and continued up until at least the mid-1950s, though the process is still in use today without the notation (Toulouse 1971; Miller & Morin 2004; Phil Perry, O-I engineer pers. (See the machine-made bottle dating page Question #11 for more information on the dating of this bottle.)" The above was borrowed from Bill Lindsey's invaluable site.

Thanks Hello Nicholas, "Duraglas - This was the proprietary name for a process used by the Owens-Illinois Glass Company where the surface of the hot, just produced bottles, were sprayed on the body, shoulder, and neck (not base or the top of the finish) with a stannic chloride vapor that allowed the tin to bond to the outer surface and providing scratch resistance and durability to the bottles. The photo to the right (click to enlarge) is of a 1951 beer bottle with the Duraglas notation in the lower portion of the base embossing.

Acceptance often occurred over a period of many years or decades in some cases.

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