Dating owens bottles dating books reviews a joeuser article
At this point in the dating, the overlapping date ranges from all the questions gives the user a narrowed probable date range of to the mids for bottle "A".
At this point non-pontiled base, post-bottom mold conformation, tooled finish we now have a probable date range of between the late s and for bottle "B".
A search on the internet will turn up some scattered references to the bottle - primarily ones that are for sale or just referenced - but little historical information. From this embossing we know that this bottle is a milk or cream bottle; so the bottle type has been already established.
The overall crudity of the bottle would indicate a manufacturing time on the earlier end of this range.
This question asks if there are any mold seams within the outside edges of the bottle base.
Click on each of the bottle base pictures to the left and it is apparent that both bottle "A" and "B" have mold seams on the base.
Close inspection of both bottles shows that neither have air venting marks anywhere on the bottle.
This is consistent with the flattened embossing as air vented molds allowed for the production of bottles with more distinct "sharper" embossing.
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