Diane Donaldson : Dating old glass bottles
I think the bottle must have had a label, thus no engraving on the bottle dating old glass bottles identify the product. Bucher Emhart punt mark database this is a pdf file. February 10, at 6:
About Diane Donaldson dating old glass bottles
As Berge noted in referring to bottles, the " This bottle dating "key" is a relatively simple "first cut" dating old glass bottles the dating of a bottle. Please be aware that in order to gain the maximum information about any particular bottle e. Unfortunately, the complexities of precisely dating bottles is beyond the scope of any simple key. A substantial amount of bottle type specific information must be reviewed by a user to increase the probability of dating accuracy.
This webpage is intended to help novice collectors and non-collectors better identify, describe, and date the bottles they encounter. Bottle dating is approximate and just intended to give a relative placement in bottle making history. Painter seam stops below lip common on sodas and beers image supplied by Harry Pristis s machine made crown top seam runs to top of bottle common on sodas and beers - Preset machine made metal cap top seam runs to top used a metal cap with twisted wire seal common on medicines s - s. Baltimore loop looks like blob top on outside inside of mouth has an ring shaped depression seam ends below lip used on beer and soda bottles.
One can find quite a bit of information on my web site and across the Internet about dating bottles based on whether the mold seam goes up and over the lip or if the bottle has a 'pontil' on the base. Even given these descriptions beginning often mistake a machine made Owen ring on the base of a bottle with a pontil. 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. These diagrams should help clarify age differences based on both form and function. With each chart the reader will find accompanying pictures to further aid in bottle identification and age.
Athletic body type
wants to date but nothing serious.
Department of the Interior, administers million surface acres of America's public lands, located primarily in 12 Western States including Alaska. Part of the mission of the BLM is the management and preservation of the cultural and heritage resources found on America's public lands - prehistoric and historic. What is the age of the bottle? What type of bottle is it? This entire website is essentially a "key" - albeit a complex one - to the dating and typing typology of historic bottles.
Also included are marks dating old glass bottles on other types of glassware including tableware and industrial glass items such as railroad lantern lenses. Entries on some of the more commonly encountered brand and company names for instance, Bromo-Seltzer seen embossed on bottles are also included, as I frequently get questions about them. This is a typical example, as seen on the bottom of an emerald green apothecary jar from the s or s. W hat is glass??
One approach to helping beginner identify their old bottles involves show them the bases of old bottles. The picture below at the left shows an iron pontil on the base jof a historical flask circa The middle picture shows an open pontil on the base of a cylindrical medicine bottle. 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.