Bottle Dating. 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. Hyperlinks in green 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. To return from other accessed hyperlinks, use the back arrow on your browser.
McFadden Art Glass
Identifying the age of a bottle is not always as easy as it may first seem. While bluish and dark-tinted glass may indicate a piece older than a clear glass bottle, the many reproductions that exist today rule this out as a conclusive way to date a bottle. Instead, the bottle must be examined for signs of how it was produced and markings that indicate when and where it was made.
This breathtaking hand blown glass plate is inspired by old examples of the Italian city of Siena’s coat of arms, dating between and The intense.
Early American molded glass refers to functional and decorative objects, such as bottles and dishware , that were manufactured in the United States in the 19th century. The objects were produced by blowing molten glass into a mold, thereby causing the glass to assume the shape and pattern design of the mold. Common blown molded tableware items bearing designs include salt dishes, sugar bowls , creamers , celery stands, decanters, and drinking glasses.
Undecorated bottles used as containers for a variety of liquids were blown into square molds to give them corners so they could be packed into compartments of wooden cases. After the War of , American glass manufacturers began using molds as an inexpensive way to produce glassware similar in appearance to the very costly cut glass that was imported from Waterford, Ireland. The process of blowing molten glass into a mold made of clay is known to have been employed in Syrian workshops as early as the 4th century BCE.
Although no intact molds have been found, fragments of molds have been excavated at glass manufacturing sites in Sandwich, Massachusetts and Kent and Mantua, Ohio. The mold, which was placed on the floor or below floor level,  was not three molds, but one mold in three parts. It was made of hinged sections that could be opened and closed by means of a foot- or hand-operated treadle. One of the vertical walls of the mold was permanently fastened to the base, and the other walls were attached to it by removable pins.
Designs were cut into the inside walls of all mold parts. Some molds impressed a pattern on the object and base, while others omitted the base. Most molds were in three parts, but could also be constructed of two or four parts.
Guidelines for Determining the Age of Antique Bottles
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Dating antique bottles – just how old is my bottle? BIM: side seams run from base and end below the top of lip, which is the result of Blowing In Mold (BIM). Can usually tell that lip is crude and was applied by hand. If your bottle is English and has a registration number, check out this Dating English Glass page that shows.
The history of antique window glass goes back to a time just before the turn of the first century AD. Phoenicians along the Syrian-Palestinian coast developed a technique of glassblowing that allowed for a variety of shapes of hollow glass items. Spreading throughout Germany, Italy, France, and Switzerland as a result of the rise of the Roman Empire, glassmaking flourished and the Romans began using it for architectural purposes.
It wasn’t until the 11th century that the mouth-blown cylinder technique of making sheet glass for windows was first developed in Germany and later adopted by the Venetians. Cylinder Glass and Crown Glass are two types of authentic, mouth-blown antique window glass typically found in historical structures in the United States. Both types employ a blowpipe to shape the molten glass. Cylinder glass begins as a ball of molten glass on the end of a blowpipe that is rhythmically blown and swung in a deep pit until an elongated pod-shape forms and a desired length and diameter are reached.
The ends of the “pod” are cut from the glass to form a cylinder, which is then cooled, scored down its length, reheated, and flattened. Although replaced by modern methods developed during the Industrial Revolution, some of these early manufacturing processes for making window glass are still practiced in Europe today, capturing the original look and feel of authentic antique window glass. Our collaboration brings you a selection of restoration window glass types for the building and restoration of fine American buildings, homes, and furniture spanning the 17th – early 20th centuries:.
The Industrial Revolution of Western Europe eventually made its way across the ocean to influence the industrialization of the United States and many of its manufacturing processes.
New 5″ Hand Blown Art Glass Pumpkin Sculpture Figurine Fall Harvest Dark Amber
Also included are a few marks, emblems and logos seen 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 bottle bearing a date code of The majority of the marks listed here are found on older bottles, but commonly seen trademarks used by present-day glass manufacturing concerns in the United States are also included.
This site primarily lists marks seen on bottles made in the United States, although I do have a number of marks listed from other countries as well. There are many, many glass manufacturing companies located around the world that have made untold billions of glass containers and other types of glassware, and my list shows only a small percentage of marks that might be encountered worldwide.
Pontil Mark on an Antique Blown Glass Vase. Source The Open Pontil bottle describes bottles which were made from the s to about The Iron Pontil.
Back to Glass Encyclopedia Home. Carlo Moretti Murano glass foil label. Carlo Moretti Murano glass clear plastic label. Murano glass foil label, probably an exporter or retailer, found on Carlo Moretti vase. Cenedese Murano glass foil label. Fratelli Toso Murano glass paper label.
Early Nineteenth-Century American Blown Flint Glass: A Beginners Guide to Connoisseurship
People had used naturally occurring glass, especially obsidian the volcanic glass before they learned how to make glass. Obsidian was used for production of knives, arrowheads, jewelry and money. The ancient Roman historian Pliny suggested that Phoenician merchants had made the first glass in the region of Syria around BC. But according to the archaeological evidence, the first man made glass was in Eastern Mesopotamia and Egypt around BC and the first glass vessels were made about BC in Egypt and Mesopotamia.
For the next years, the glass industry was increased rapidly and then declined.
A perfect date night activity. We offer We also create custom glass art including memorial keepsakes, sculptures, and lighting. Hand-Blown Glass Objects.
We offer classes for groups and individuals of all ages. We offer instruction at any skill level. Check out our glassblowing classes page for more info. Schedule in advance, because space is limited! Our talented team of artists have no limits as to what they can create for you. We create custom glass and metal art for small and large businesses, and for individuals too. Check out our custom work page, and look for more examples in our gallery.
Determining the Value of Old Bottles
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Crafted from pure, optical-quality glass, this extra large jar is available in three sizes. The lid is milled from recycled ash which has been carbonised and rubbed with beeswax. Europe and Rest of the World Costs are calculated at point of checkout. All duty charges outside of UK are the responsibility of the buyer. In over 16 years of trading, two pieces have been broken so far in transit.
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HAND BLOWN GLASS
A brown glass bottle that looks vintage or antique from afar may not be as old as you think. Bottles designed for decorative purposes, or as special reissue editions from various liquid product companies, look much like bottle designs that are much older. While the physical shape of the bottle is somewhat indicative of its age, other telltale signs are a bit more accurate for pinpointing its origin and production date.
Made in Italy glass paper label, found on Barovier & Toso lamp. Barovier & Toso Empoli Italian glass paper label, reads “Hand, AV, Made in Italy”. Empoli Italian glass paper £ (26 bids) End Date: Monday Aug BST.
As Berge noted in referring to bottles, the ” This bottle dating “key” is a relatively simple “first cut” on 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; more complex keys are far in the future if they ever become available. A substantial amount of bottle type specific information must be reviewed by a user to increase the probability of dating accuracy.
Additional reference materials outside of this website must usually be consulted to narrow down the date of any item as far as is possible and to really get a “feel” for the history of the bottle in question. Fortunately, as each year passes more of this type information becomes available on the internet. Since this website was initiated a simple search for a bottle can now yield much more information than back then, depending on the precision and wording of a search.
This admittedly can be very challenging with bottles that have no company, user, or bottle maker related embossing or original labeling. The information on this website will, however, usually produce a reliable manufacturing date range for a majority of American utilitarian bottles manufactured from the late 17th century to the midth century. Click here to move directly to the “Dating a Bottle” Section below.
History of Glass
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