Dating owens glass bottles

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This page provides some examples of how to use the website primarily the Bottle Dating pages to determine the approximate date or date range for various types of bottles made between the early s and the midth century. The bottles used for illustration are a small but diverse assortment designed to give users guidance on how to work a bottle through the dating information to answer the Homepage's primary question 1 - What is the age of the bottle? The example bottles are tracked though the Bottle Dating page questions in that pages directed sequence.


Click here to move directly to the list of machine-made dating questions. Machine-made bottles will exhibit most or all of the diagnostic characteristics explained and illustrated below.

It should be noted that features 1, 3, 4, 5, and 6 are primary indicators of machine-made manufacture. Feature 2 mold seam diameter is not as strongly diagnostic as the primary indicators as mouth-blown bottles sometimes can have very dating owens glass bottles mold seams.

Feature 7 describes a couple glass related features that are quite consistent in machine-made bottles, but not diagnostic, i. 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. Vertical side mold seams which usually see the Note box below point 3 for an exception run up to the dating owens glass bottles point of the finish and often onto the extreme top finish surface i.

The statement about machine-made bottles may seem contradictory finer but more visually distinct but is a function of the higher machine blowing pressure. Most machine-made bottles have mold seams about the thickness of a hair while most visible mouth-blown mold seams tend to be several times as thick, higher, but more rounded.

Mold seam thickness and how high it protrudes [height] is dating owens glass bottles only moderate use in telling a machine-made bottle from a mouth-blown bottle, though if a bottle fragment has a hair fine mold seam, it is highly likely to be from a machine-made bottle. There are at least two additional finish related mold seams - one at the top of the dating owens glass bottles which encircles either the bore or sometimes the outside of the upper lip portion of the finish sometimes both of these seams dating owens glass bottles present and a horizontal seam immediately below the finish which circles the extreme upper neck called a "neck ring parting line".

Click on the picture to the left to view an illustration which shows both of these seams dating owens glass bottles click machine-made finish to view an image which shows well the seam below the finish. Both seams dating owens glass bottles quite diagnostic of machine manufacture and are usually visible, though the seam at the top of the finish can be hard to see on some bottles - especially if the finish was fire polished.

In the glassmaking trade, these seams along with the side mold seams within the finish or just dating owens glass bottles are referred to as "neck ring" or "neckring" seams since they were formed by the separate neck ring portion of a machine mold Tooley These deviations are discussed on the main Bottle Dating page in a box under Question 2.

Click Exceptions to Question 2 to view this discussion. These are faint, somewhat wandering, hairline seams which if present usually are sporadically visible on the sides of machine-made bottles. The ghost seams are caused by the parison mold parts and if visible enough Best dating apps for ipad free best online dating profile tips be "attached" to the vertical seams in the finish.

Click on ghost seam to view a close-up explanatory picture of this attribute. Be aware that bottles and jars made by early to midth century press-and-blow machines do not usually have ghost seams, since the parison mold was usually one-piece, but will typically have a valve mark on the base see 6 below. A suction scar is present on the base of Owens Automatic Bottle Machine produced bottles.

This distinctive base scar is easier to illustrate than describe; click on suction scar for a picture of a typical scar which exhibits the diagnostic "feathering" that surely indicates Owens machine production same image is below left. This mark is distinctive to the suction process which feeds glass into the bottom of an Owens machine's parison mold. A movie clip showing this process in action is linked at the bottom of this box.

Suction scars can not be produced by feed and flow automatic machines i. P ress-and-blow machines usually have a round valve mark on the base but lack either the suction or parison scars. In any event, the suction scar is never found on mouth-blown bottles though suction scars koblenz single party sometimes referred to as a pontil scar by the unfamiliar.

See the machine-made section of the Bottle Bases page for more information on these scars. It is likely that other types of suction based automatic bottle machines made in Europe in the s - and possibly later - also produced a suction scar on the base of their products [Pearson ].

However, a large majority of bottles in the U. 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 dating owens glass bottles machine. This is discussed further as Question 14 below. Free single dating sites canada Case New Holland: Instantly Sees Positive Results from Aras (3 Minut 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 dating owens glass bottles mouth-blown bottles.

This is especially true of later machine made bottles, dating owens glass bottles. The presence or absence of bubbles in the glass and relatively even distribution of the glass throughout the Foreign girlfriend dating site is not a primary feature of either machine-made or mouth-blown bottles, though there are strong trends.

What these Diagnostic Features Indicate: Bottles with all the noted primary machine-made characteristics 1, 3- 5 including the suction scar on the base point 5 above and picture to the left can date no earlier than and are usually post Though patented and first used to a limited degree inthe first Owens Automatic Bottle Machine licenses were granted to other manufacturers in late making the effective "beginning" i.

Bottles which have all the primary characteristics noted above 1, 3, 4 without the suction scar 5 were produced by non-Owens automatic or semi-automatic machines and are somewhat harder to precisely date, though the vast majority post-date also. Narrow neck press-and-blow machine? It should be noted that one fairly early press-and-blow semi-automatic machine was designed to produce narrow bore bottles.

The method used was unusual and may have been unique in bottle-making history: Dating owens glass bottles is accomplished so that there is no perceptible mark upon dating owens glass bottles bottle showing the joint, and the bottle stands every possible test as to strength. The machine is operated much as all pressing machines are Although products of this machine are not conclusively known a bottle such as the one at this link - offset seams shoe polish bottle - may well be a product of the described machine as there is a distinct and abrupt interface edge at the shoulder where the mold seams for both the body and neck end and are offset.

This little bottle has a moderately narrow neck and a distinct valve or ejection mark on the base indicating press-and-blow machine manufacture. Added evidence to this theory is that an identical shape and size 2 oz. More specifically, non-Owens machine-made bottles with narrow necks similar to the amber beer bottle pictured earlier will always date after and typically after regardless of what type machine they were produced on since the first blow-and-blow semi-automatic machines capable of producing narrow necked bottles copied after English machines invented somewhat earlier were first made or used at that time in the U.

Boow ; Cable Very few narrow neck bottles made on the Owens machines will pre-date that time also. Bottles or jars with wide mouths like the jar pictured under Question 15 dating owens glass bottles may occasionally pre-dateto as early as aboutsince semi-automatic press-and-blow machines were being used to some degree by the mids.

The first production bottles known to have been made on semi-automatic machines were wide mouth Vaseline bottles made by the C. It is thought dating owens glass bottles probably all pre semi-automatic bottle machine production in the U.

The Examples of good dating profile names good male online dating headlines below is from the Lewis Hine collection Library of Congress and shows an dating owens glass bottles, probably O'Neill Barrett semi-automatic press-and-blow 4 mold milk bottle which have relatively wide mouths machine dating owens glass bottles came with the following caption: No "lung blowers " employed.

Manager says machines are fast coming into play in bottle industry, plans eventually to have machines in place of "carrying in boys. Clarksburg, West Virginia" Library dating owens glass bottles Congress.

This two table semi-automatic machine would have been hand fed with dating owens glass bottles furnace likely to the right and does have the two different mold sets with the parison molds where the first "press" part of the cycle took place the set on the dating owens glass bottles. Blowing air would have been supplied by the hose visible at the top of the set of blow molds to the left, where the final "blow" part of the cycle took place.

This allows for a high probability begin date of around to for most wide mouth, machine-made bottles and jars Illinois Glass Company, Dating sites for disabled canada TreeHouse Foods Reduces Database Management with Aras, since the products of automatic and semi-automatic non-Owens machines date from the same era as the Owens machine and are largely indistinguishable, they are all considered together on this machine-made bottle dating page.

Mouth-blown to Machine-made Transition Era: The transition from mouth-blown to machine-made bottles was a fairly long and circuitous road.

Between and about orthe only fully automatic machine was the Owens Automatic Bottle Machine and until the late s they were granting exclusive licenses for various categories of bottles. In aboutreliable gob-feeders became available which converted most types of semi-automatic machines to fully automatic at a lower cost than the Owens Machines. For instance the Dating owens glass bottles Glass Company Baltimore, MD began automatic bottle making inbut retained some hand-blowing operations until at least when Dr.

Toulouse published Dating owens glass bottles Makers and Their Marks! In one glass factory a wall had to be erected between the hand operations and the newly installed machine to prevent sabotage. In another instance, worker opposition was so strong that the machine operations were abandoned! These numbers help to determine general dating break probabilities for both machine-made and mouth-blown bottles. Likewise, the probability that a bottle exhibiting mouth-blown hand-made diagnostic features dating prior to the mids is very high and after the s is very low, though not impossible as noted above.

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 first machine is the "Machine 5" which the film clip script notes as having been made in in Toledo, Ohio.

This was apparently the earliest of dating owens glass bottles viable commercial machines, and in fact, the clip was made to help promote and sell the machine to potential buyers. The first person shown operating Machine 5 is Emil Bock, a mechanical genius who worked with Michael Owens from the "bicycle pump" early machine experimentation days s and transformed Mike's ideas into workable steel machines.

Michael Owens is the second person shown picking up and examining a couple beer bottles. This clip is also reported to be the only movie ever made showing Michael Owens who was reputed to be "camera shy.

Film clip is compliments of the Owens-Illinois Glass Company. Many thanks to Phil Perry - a senior engineer with that company - who graciously provided this clip. Film clip of an early Owens Automatic Bottle Machine in operation. Machine-made Bottle Dating As with mouth-blown bottles, more precise dating of a machine-made bottle can be done with some confidence by using one or more of the various diagnostic features outlined in the questions on this page.

Unlike the first portions of the Dating key Questions 1 through 3 on the main Bottle Dating page; 4 through 7 on the Dating owens glass bottles bottles portion of the dating keyeach question on this page is an independent dating tool for which the response is not predicated on the outcome of any of the other questions. Thus, these questions do not have to be viewed in order.

The question numbers on this page continue where they left off on the mouth-blown bottle portion of the key. Is the bottle glass color aqua aquamarine or very light greenessentially colorless clearor a color other than colorless or aqua? Are there "bubbles" present in the glass? Does the bottle have the following statement embossed on its side or on the base?

Does the bottle base have similar markings to those on the bottle pictured? These markings are those of the Owens-Illinois Glass Company. Does the bottle dating owens glass bottles a finish lip that was sealed with a cork, sealed with an externally threaded screw cap, or sealed with some other type closure?

Does the bottle have embossed or labeled contents or volume capacity türkische frau sucht deutschen mann Does all or a portion of the bottle base have a textured pattern, i. Read through each of the questions to see which have pertinence dating owens glass bottles the bottle you wish to date. Hyperlink to other web pages that are suggested in each question for added information and then read the summary statement at the end of this page which will give some suggestions on where on this website a user could or should proceed to.

Keep track of the specific diagnostic feature dating owens glass bottles ranges listed in each question you consult, and once to the end of the page, use that information to ascertain the likely production date range of your bottle. As explained previously above, be aware that the "earliest" date dating owens glass bottles in the questions dating owens glass bottles not absolute. Singlewandern kärnten were some wide mouth, semi-automatic machine produced bottles albeit a very low percentage which dating owens glass bottles machine-made characteristics minus a suction scar than can date back as early as the mids.

Lets begin with Question 8 right below Is the bottle glass color:

History of the Owens-Illinois Glass Company

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How Glass Bottles and Jars are Made at Owens-Illinois


If you are an avid beach glass collector, or a collector of glass bottles, jars, cups, etc, you may have noticed an odd symbol and/or numbers on. The example bottles are tracked though the Bottle Dating page questions in that of the specific bottle makers mark for the Owens-Illinois Glass Company. A. Because there were more Owens-Illinois glass plants than any other? "Why" do Owens-Illinois date codes all of a sudden start to appear.

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