Dating base romance dating online for singles

The disk-like mark is sometimes confused with a pontil.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.Giving a bottle an arched shape at the bottom means that if it does sag, it can do so without touching the bottom.

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If a user needs to refresh themselves on the terminology used to describe the various parts of the bottle, click on Bottle Morphology to view a pop-up page of physical bottle feature definitions.

The bases of both mouth-blown and machine-made bottles have various features and/or makings which can greatly assist in determining or narrowing down the age of the bottle.

To a lesser degree, the base can sometimes provide other information about a bottle like its intended function.

The base of a bottle typically only has one primary function (besides helping hold the bottle together) and that is to provide a flat surface for the bottle to stand upright.

Of course there are exceptions to that "rule", most notable being the rounded base mineral & soda water bottles whose purpose was to make sure the bottle did Bottle bottoms aren't flat because they need an arched structure to allow them to be stable on a flat surface.

I have put up pictures of the lips so that the readers can see how they mold goes all the way over the top as shown below. This is different than an older hand tooled, hand blown bottle.

The pressure from the automatic machine was strong and the molds fit tight leaving only a very thin line.

) to the specific dating questions on the Bottle Dating page are included so that a user can reference the necessary portions of that page.

Each of the green question hyperlinks result in a pop-up page showing the particular question on the Dating Page; once read it should be deleted to avoid clutter.

The bottom of a bottle is usually the thickest part, retaining more temperature throughout the production line.

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