Dating an antique bitters bottle
GLASS FACTORY INFO ~ Dating ~ Antique Bottles ~ Fruit Jars ~ Glass Electrical Insulators ~ Tableware ~ Articles about different kinds of Glassware ~ Manufacturers' Marks used by Glass Companies in the United States Hazel Glass Company, Washington, PA (began 1887) and Atlas Glass Company, also of Washington, PA (began 1896) merged to form the Hazel-Atlas Glass Company, Wheeling, WV, in 1902. Other marks often seen on container glassware found along with Hazel-Atlas products (especially from 1920s-era dumps) include the “I in a diamond” from Illinois Glass Company, the “O in a square” mark used by Owens Bottle Company and the “Capstan” mark used by Capstan Glass Company.
Hazel-Atlas eventually grew to become one of the largest glass manufacturing firms in the world, (probably second in the United States, behind Owens-Illinois Glass Company) with 14 glass plants operating simultaneously. Codes on bases of H-A bottles: Many of the Hazel-Atlas containers I have seen do not conform exactly to this chart, but this might be of some help in interpreting the markings on of their products.
A price guide can be a helpful tool when you're shopping for or identifying old glass bottles.
Although price lists have their limitations, they can offer some fascinating general information about the value of your finds.
Simply look up the type of bottle to get an idea of its value.
fit=640,616&ssl=1" class="wp-image-481 size-medium jetpack-lazy-image" title="Hazel Atlas - "Florentine No. the Diamond and oval superimposed with an I in the center).
resize=300,288&ssl=1" alt="Hazel Atlas - "Florentine No. The “H over a smaller A” is probably the second most-commonly seen manufacturer’s mark on glass containers found in typical bottle dumps / trash deposits of the early 1920s to the late 1950s or very early 1960s period, behind the ubiquitous Owens-Illinois mark (i.e.
Instead, it's more useful to look at various categories of antique bottles and the value ranges you can expect to find for these categories.
This handy printable list includes all the major bottle categories.
Plants were located at Wheeling, WV; Washington, PA; Clarksburg, WV; Zanesville, OH; Grafton, WV; Ada, OK; Pomona, CA; Blackwell, OK; Lancaster, NY; Oakland, CA; Montgomery, AL; and Plainfield, IL. This chart is probably from a trade publication of the 1950s: Chart of Hazel-Atlas base codes on containers, courtesy of