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In addition, this site also assists the user with these questions: 3.What technology, techniques, or processes were used to manufacture the bottle? Where did the bottle come from, i.e., where was it made and/or used? Where can I go for more information on historic bottles?This complex of pages is a major hub of the rest of this website and the best place to start a search.Also linked to the Dating page is a sub-page called Examples of Dating Historic Bottles which tracks a few different bottles through a dating and general information quest to illustrate how the dating process and this website work.We have tried to define the distinction between these two classes of bottles from the perspective of the intent of and information found on this website.: This website was prepared based primarily on information about bottle manufacturing technologies, processes, and styles specific to the United States. Viewers are encouraged, for personal or classroom use, to download limited copies of posted material. Author reserves the right to update this information as appropriate.Empirical observations indicate that Canadian-made bottles very often followed similar glassmaking technique and process chronologies making much of the information applicable to Canadian made bottles. If using this site for the dating or typing of a known or likely Canadian-made bottle, keep this in mind as the reliability of the information may be reduced.
Some of the embossed markings on the bottle base above are a great information source for 20th century bottle identification; some are meaningless.
If you are interested in identifying what a bottle was likely used for - i.e., what "type" of bottle it is (aka "typology") - the Bottle Typing/Diagnostic Shapes page and the extensive array of related sub-pages should be visited.
This very large complex of pages includes bottle type specific sub-pages with extensive style based dating information, including complete scans of 5 different early 20th century (1906 to 1933) bottle makers catalogs spanning the mouth-blown to machine-made bottle manufacturing era!
Since there were hundreds of thousands of uniquely different bottles produced in the United States (and Canada**) between the late 18th century and the 1950s (Fike 1987), it is beyond the scope or even possibility of this site (or website or book) to provide specific details about more than just a tiny fraction of a percent of that variety of bottles.
Even then the bottles discussed in depth are so primarily to illustrate the presented information and concepts.