Identifying dating bottles

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This shape bottle is often called a case gin bottle regardless of whether or not it held gin.The shape allowed it to fit in shipping cases much more snugly.Of course, any labels or embossed lettering are potentially helpful, as well.There are four important characteristics for dating bottles: Mold Seams, Finish Types, Closures and Glass Color Before the modern bottle-making machine, bottles were blown – first free-blown, and then in various kinds of molds.While glass color is not as precise a dating tool as mold seams or finishes, it can provide helpful clues."Black" glass (iron oxide) Many manufacturers of bottles or bottle contents put advertising on the bottle, in the form of paper labels (usually missing in older sites) or embossed lettering.

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Vaseline, or Uranium glass, was used for cosmetic bottles and housewares.Another is the "Field Guide to Identifying Historic Artifacts," compiled by historical archaeologists R. Identifying old bottles isn’t as difficult as you might think.Bottle shapes in the late 1800s to early 1900s were very individual when it came to what they contained.Some bottles from this time period were embossed with the company name and even the contents.In its early years Australia had a huge variety of bottles, stone jars, tins, containers and pot lids.

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