Dating owens illinois glass
His webpage is also a great resource for those wishing to figure out what an observed makers mark stands for on a bottle they may have and an approximate date range.
Whitten's site typically also includes some brief history behind the companies.
- the first successful glass company west of the Rockies - which operated under that name from 1862 to 1876 (Toulouse 1971; Lockhart et al. The full story on this glass company is available on this website at the following link: 1. (Photo courtesy of Bill Lockhart.)The following is quoted from the introduction to the book Bottle Makers and Their Marks by Dr.
Julian Toulouse and is one of the better quick summaries on the subject of maker's marks pertinent to the goals of this website. Toulouse wrote his book from the perspective of assisting collector's as well as archaeologist's as implied in the following quote.): Trademarks, whether registered or not, brand names, and other marks and symbols of identification found on bottles are datum points in determining the history and ages of the collectors' bottles.
(Website author's note: "considerations" would include manufacturing based diagnostic features - a primary goal of this website - and/or local research in to the user of the bottle, if that fact is known via embossing or labeling.) If the period of use of the mark was short, the age of the bottle may be pinpointed to a short period of time.
In some instances, lucky for the collector but unlucky for the user of the mark, the period may be reduced to one or two years.
This work will be a massive treatise on American glass container manufacturers from the late 18th century to the present day.
These new/revised articles are noted below followed by the publishing date.
Other suspected maker's marks have not even been accurately assigned to a particular glassmaker and even if the maker is known, much company specific research has yet to be done.
That company's marks are probably the most commonly encountered U. makers marks on bottles made in the 20th century (Lockhart & Hoenig 2018t & 2018u).
The information below directs a user towards some of these sources of information or provides links to other works that will assist in the interpretation of most known makers marks.
When the owner of the mark is known, and when more exact dates can be assigned to its use, the mark becomes a means of dating the piece upon which is appears.
If the mark was used for many years, we may have to rely on other considerations in order to date the piece within the mark's span of years.