Dating antique medicine bottles
Researcher/historian Tod Von Mechow has compiled a large quantity of in-depth information on antique beer bottles, including both pottery and glass bottles.
(Specifics on what a pontil looks like or how to tell the age based on the mold seam can be found in Bottle Basics.) While these two characteristics are often a strong clue to age, readers will be further helped by developing an understanding how the various categories of bottles changed over time.Hopefully this database will be of some help to those who are attempting to assign an approximate date range to a particular bottle, assuming it carries an identifiable glass manufacturer’s mark. Co.” Also, the abbreviation “Co” (Company) sometimes may be found embossed with either an upper- or lower-case “O” on various bottles made by the same manufacturer.be a glass manufacturer’s mark and so may not be listed here. Many bottles carry only a number (or numbers) on the base.The following charts and pictures on the dating bottles pages listed below should help.The Bureau of Land Management (BLM), an agency within the U. Department of the Interior, administers 261 million surface acres of America's public lands, located primarily in 12 Western States (including Alaska).The third picture shows the base of a milk bottle from just after the trun of the century.
The disk-like mark is sometimes confused with a pontil.
Bill Lindsey's fantastic bottle identification and information site.
Loaded with detailed descriptions and diagrams, and luscious high res photos, this is a superlative one-stop educational resource and vicarious digger experience.
This list primarily includes marks that represent the actual glass company that made the container.
Many marks are encountered that indicate the company whose product was contained within it, or are trademarks (“brand names”) that give no indication of who actually made the glass, and those are (with quite a few exceptions) , not included in my list.
the pontil is actually broken glass where the metal rod used to hold the bottle while the lip was form was broken off leaving a sharp scar.