Purex bottle dating, bottle guide

Pyrex Glass

Vintage purex bottle

Without the stippling the thermal shock that would occur with full base contact on the conveyor would create stresses that can cause the bottle to burst, or reduce its overall tensile strength. From this point a user must consult other pages for additional information on a given bottle. Small utility bottle - ca. Click here to move directly to the list of machine-made dating questions.

Brown glass purex bottle
  • All proceeds from sale of this book go directly to benefit the work of the Society for Historical Archaeology!
  • Between and about the Owens-Illinois Glass Co.
  • The glass would have to be tempered at the factory and there is nothing in the environment that could cause this to happen on a piece of glassware that was tempered adequately.

Diamond-I mark on bottom of amber bottle made by Illinois Glass Company. Such things have happened over the years occasionally, but the frequency of the occurrences have greatly increased after the manufacturers changed their formula to a cheaper grade of glass. Click on ghost seam to view a close-up explanatory picture of this attribute. The link below allows a user to view an amazing short movie clip that shows two different early Owens Automatic Bottle Machines in operation.

The circle is incised or sharply indented into the surface of the glass and can be distinctly felt by running ones fingernail over the mark. Group of Bixby shoe dressing bottles. Toulouse published Bottle Makers and Their Marks! Introduction of gallon size with finger ring handle.

This requirement was intended to discourage the re-use of bottles by bootleggers and moonshiners, though the biggest discouragement to that illicit activity was that liquor was now legally available. It is not precisely certain when this feature first was used on bottles although it likely first appeared in on bottles produced by the Owens-Illinois Glass Co. Cork Top Bottles Clorox diamond trademark on bottom. Glass tubing, test tubes, lab bottles, funnels and other miscellaneous laboratory equipment and containers were made in quantity. The question numbers on this page continue where they left off on the mouth-blown bottle portion of the key.

Bottle Guide
What years were these made

Antique purex brown glass bottle dating

Bottle made of some other color of glass If the bottle has some other glass color no useful general dating information is possible. No material may be copied for commercial purposes. As an amateur astronomer, I would mention that tons of Pyrex glass has been made into reflecting telescopes mirrors over the years.

Antique purex brown glass bottle dating

Click on the picture to the left to view an illustration which shows both of these seams or click machine-made finish to view an image which shows well the seam below the finish. In another instance, worker opposition was so strong that the machine operations were abandoned! Both of the pictured bottle bases note such with the script Duraglas on the base. In any event, azubi speed dating the suction scar is never found on mouth-blown bottles though suction scars are sometimes referred to as a pontil scar by the unfamiliar. The title of any given page gives the predominant theme of that page and would be the first place to start when pursuing information on that particular subject.

If you disable this cookie, we will not be able to save your preferences. At that point two digit year codes e. Stippling is shown on both the bottle bases in the images and was typically produced by hand punching the base plate of the bottle mold.

The statement was not required on wine or beer bottles, the latter category which was - and to some degree still is - bottled in re-useable bottles. What technology, techniques, or processes were used to manufacture the bottle? If your bottle has this statement embossed in the glass, dating online it is a machine-made liquor bottle that dates between and the mids.

The Earliest Bottles

Dating Your Old Bottles

These articles deal with specific makers markings and the history of the companies behind those markings. With the increasing dominance of the automatic bottle machine in the s and on, bottle shapes, sizes, and colors became more and more standardized and uniform, i. As a general rule of thumb, earlier machine-made bottles and jars i.

Bottle Guide

Introduction of half-gallon size with finger ring handle. Viewers are encouraged, for personal or classroom use, to download limited copies of posted material. The presence of a circular valve mark on the base of a bottle typically a wide mouth bottle or jar is sure evidence of machine-made manufacture by a press-and-blow machine. Thus, hook up the presence of a valve mark on a soda or beer bottles would indicate a narrow manufacture date in the early s. These pages lead a user through a series of questions about the physical - or morphological - characteristics of historic bottles which help to narrow down the age of an item.

This is accomplished so that there is no perceptible mark upon the bottle showing the joint, and the bottle stands every possible test as to strength. Film clip is compliments of the Owens-Illinois Glass Company. In order to be in compliance with the Gould Amendment, soda bottlers in El Paso along with those in the rest of the U. Bottle collecting has become an increasingly popular hobby among antique lovers in the United States.

The Clorox Company
  1. If so, how many and what size and shape?
  2. For more information click colorless glass to go to that section of the Bottle Colors page.
  3. Thus far, I have found no datable, mouth-blown, El Paso soda bottles containing volume information.

Peruse the titles to see if any may help with your quest for information. These more modern screw cap bottles can be easily identified by their threaded necks as contrasted with the smooth finish, cork-style necks of the earlier Clorox bottles. The titles of and links to all of the pages contained within this site can be viewed by clicking on Website Map. The statement about machine-made bottles may seem contradictory finer but more visually distinct but is a function of the higher machine blowing pressure. As one can see, when present makers marks can be one of the best dating tools of all!

Consider the answers and dating overlap information provided by the above questions together in arriving at a likely age range for your bottle. This bottle is also an example of how even with the relatively ample amount of information Owens-Illinois bottle bases provide, one may still need to rely on more than one piece of data e. Fenton in an oval Fenton Art Glass Company. Return to the Dating Page. Most other types of bottles still would have been mouth-blown during this same era.

Re Approx. age and Value of old Purex Bottle

None of the stippling - given the indented nature of the base center and lack of stippling on the resting surface - would have come in contact with the conveyor belt. See the milk bottle section of the typology pages for more information. Both are hard questions to answer and the answer is somewhat arbitrary in the end. Click on the machine-made beer bottle picture above to see an illustration of this bottle showing the major diagnostic characteristics of a typical machine produced bottle. This website will explain why this sharp glass mark on the base of a bottle is a key midth century diagnostic characteristic.

Machine Made Dating

Machine Made Dating
Re Approx. age and Value of old Purex Bottle

Pyrex Glass

The types of bottles illustrated on these pages would be considered typical of the earliest machine-made bottles in the U. They make good telescope mirrors because of their low expansion and contraction with tempature, junk email from dating sites so that their ground figure does not distort. Suction scars can not be produced by feed and flow automatic machines i. Use that page to get a feel for the structure of this website and to access any of the other web pages.

Re What years were these made

The milk bottle pictured above is covered on the Bottle Dating Examples page. Plastic caps for screw thread finishes can be an excellent tool for dating. The various Owens-Illinois markings provide an opportunity to also identify which plant made the bottle and in what year. Very few narrow neck bottles made on the Owens machines will pre-date that time also.

Old glass purex bottles

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