Antique bottle dating, dating bottles by their tops and bases
DATING BOTTLES BY THEIR TOPS AND BASES
An entire book called Bottle Makers and Their Marks by Toulouse documents the hundreds of markings made by glass manufacturers. Need help on where to look for history. Machine-made s oda bottles were generally not decolorized with manganese after Lockhart a. Read through each of the questions to see which have pertinence to the bottle you wish to date.
DATING BOTTLES BY THEIR TOPS AND BASES
Bottle made from manganese dioxide decolorized glass exhibiting a slight lavender cast in the thick portions of the glass. Please use the discussion forum for such requests. The base of the second bottle whose lip was shown above right is displayed here.
Manganese dioxide causes the glass to have a very slight lavender or amethyst tint which is amplified to varying degrees with exposure to sunlight or artificial radiation. Many identical shapes persisted through time and others were brought back for nostalgia and made common again. Other diagnostic tools must be used to date these items.
- Have a bottle that read ste pierre smirnoff fls one pint.
- These markings are those of the Owens-Illinois Glass Company.
- Toulouse published Bottle Makers and Their Marks!
- The numbers on the base do suggest that this is a later machine-made bottle, but I would really like to see a photo.
Return to the top of this page. Many specialty bottles were imported from Europe, though that fact may be at times hard to impossible to ascertain. The disk-like mark is sometimes confused with a pontil. If you know your bottle is mouth-blown aka hand-made click Mouth-blown Bottles to move directly to that page.
Guidelines for Determining the Age of Antique Bottles
As with many companies, finding any history is a research project which begins with searching city directories, town records, historical societies, etc. These bottles are discussed in more detail in the ink bottle section of the Household Bottles non-food related typology page. It was most common by far on soda and milk bottles, download but can occasionally be found on other types of bottles. The scar was left when the pontil was detached from the bottle.
Do the mold seams go all the way from the base to the lip? The concentric rings are not always as obvious as the picture shows click to enlarge and sometimes not visible, other dating apps like though if present it is a conclusive diagnostic feature. Machine-made bottles tend to have few if any bubbles in the glass and the thickness of the glass is usually more uniform throughout the bottle as compared to mouth-blown bottles. We can always have some indication of a starting date for a technique if we can find who first put the idea into practice.
Apparently to denote measurements. The titles of and links to all of the pages contained within this site can be viewed by clicking on Website Map. Also, the format and space constraints of a journal article do not allow for the elaboration and illustrations necessary to make a key function fully Jones b. The second individual had never seen one. Occasionally, dating woman vs you will see base embossing of patent dates or the classic Rickets Patent of midth century era.
- Film clip is compliments of the Owens-Illinois Glass Company.
- This inscription is only seen on Owens-Illinois Glass Co.
- Any idea where I can research more on it.
It also has no neck ring mold seam immediately below the finish like found on most Owens machine produced bottles or on the majority of all machine-made bottles. Warning Do not estimate a bottle's age by its shape. Bottle made of some other color of glass If the bottle has some other glass color no useful general dating information is possible. The bottle is purple and not a single chip.
Bold and garish colors are also rare in antique bottles, so beware of bright reds, greens, yellows and purples. Dating antique bottles requires knowledge of the evolution of bottle technology and the ability to research manufacturers and bottling companies. How to Identify Antique Glass Bottles. There are a lot of reproduction bottles out there, and new ones that look old are made every day. The automatic bottle machine was much more precise in gathering an exact amount of glass and the same amount of glass for each bottle this consistency lead to more uniform products.
The above and linked photos courtesy of Carol Serr. Click here for a picture of a typical s to s milk bottle. However, this feature is still a tenuous one since there are many early machine-made bottles with few or no bubbles. These bottles will not have the side mold seam proceeding from the upper finish side over and onto the rim itself. In order to be in compliance with the Gould Amendment, soda bottlers in El Paso along with those in the rest of the U.
How to Date Antique Glass Bottles
This inscription is found only on machine-made bottles, with the rare exception of some Mexican-made for the U. Click on Groves Chill Tonic to view a picture of an aqua medicinal from the era. These articles deal with specific makers markings and the history of the companies behind those markings.
The curious student of glass items will quickly learn when a lip has been formed onto the bottle and when it was applied by hand. Sheared top bottles are another case where mold seam height is not a good indicator of age. If it looks too good to be true, it probably is!
Dating Antique Bottles
This will be noted where known. The image to the left is a close-up of a bottle with bubbles in atypically high quantity for illustrative purposes. Mexican Glass Makers Markings.
For more information click colorless glass to go to that section of the Bottle Colors page. There is frequent hyper-linking between the diagnostic characteristics and terminology listed on this page and other website pages. Click on ghost seam to view a close-up explanatory picture of this attribute.
The question numbers on this page continue where they left off on the mouth-blown bottle portion of the key. When a dating sequence dead ends, it will be noted and other website pages suggested and hyperlinked for the user to consult. This can often lead to enhanced dating refinement of midth century liquor bottle depending on the current information available for the glass maker.