Cobalt Blue With Clear Art Glass Bottle and Square Topper

NUMBERS ON THE BOTTOMS OF Drinking glass BOTTLES. I frequently receive inquiries well-nigh the interpretation of diverse numbers seen on the bases of drinking glass bottles. Collectors and others are interested in understanding what the number markings on the bottoms of glass containers indicate. Unfortunately, there is no "one answer fits all" to this question!!

(NOTE: the article on this folio is pertaining to GLASS containers, and does not utilise to the subject of modern / contempo PLASTIC containers, which is an entirely dissever subject field, and is discussed on many other websites. The number (inside a triangle with rounded corners) establish on the bottom of plastic bottles is a code indicating the blazon of plastic the bottle is made from, and pertains to the discipline of recycling) .

Always look very closely over the entire glass bottle or other container to see if there is a logo (keepsake, trademark, initials, or merely a letter) visible that might be a mark that identifies the actual glass manufacturer. Frequently, a trademark or other marking is embossed on the very lesser of the canteen, or along the lower "heel" of the canteen.

In many cases there is NO such mark, with only a number or numbers to be seen. In these cases, the general style, shape, glass color and other characteristics may assist narrow down the possible age range of a particular specimen.

A big per centum of bottles are marked with just a number, or numbers, on the base of operations (or the heel), and the truth is that, in many cases, it is very difficult, if not impossible to assign a specific drinking glass manufacturer to a bottle if there is no other information embossed in the glass.

Probably in the majority of cases,single or double-digit numbers are mold numbers, merely serving to identify a particular mold, (or section/mold cavity in an automatic bottle manufacturing machine) that was used to form the canteen, jar or other glass item. If a number of identical bottle molds are existence used simultaneously, each mold would be assigned a number. (If problems occur with the finished product, it can be hands ascertained which mold or mold department is at fault.)

Many, many types of commonly-seen glass products have been marked with these types of mold numbers on the base, including bottles, fruit jars, jugs, flasks, candle holders, candlesticks, ashtrays, canisters, dishes, mugs, sugar bowls, salt and pepper shakers, sugar shakers, syrup pitchers, tumblers, tea glasses, punch cups, etc.

Numbers also serve other purposes, depending on the exact item or container and/or visitor being discussed. Some numbers are "year/date of manufacture" codes. Some numbers (for instance, 3- or 4-digit numbers on the base of operations of many British bottles) are catalog, inventory, style or design numbers assigned to a particular bottle shape. (Hazel Atlas Glass Company, Anchor Hocking Glass Corporation, Knox Glass Canteen Company and other bottle manufacturers made a wide variety of glass containers with these types of numbers on the base, sometimes a alphabetic character/number combination.)

Those numbers would serve to place a particular bottle fashion in communications/orders between the glass manufacturer and their customers …….that is, the companies who ordered the bottles to packet their products. Some numbers were manufactory location codes. (See my page on Owens-Illinois Glass Visitor, who used, and uses, location codes on many of their bottles).

Mold Identifying Number "2" embossed on base of aqua "Ball Perfect Mason" jar.

Many Brawl fruit jars (and other brands) bear mold numbers on the base of operations, such equally the underlined "ii" illustrated here. They identified the particular mold (or "mold cavity" on the jar-making automobile). For more information, see my web folio on the Brawl Perfect Mason jars.

Many Owens-Illinois Glass Company soda bottles, for a menstruation of time, used "Thou-numbers" on the bottom (numerals before or after a Thou), which were codes for a specific bottle shape (design), irrespective of the soda brand name or glass color of the canteen.

Large numbers of whiskey and other spirits bottles carry a "Liquor Bottle Let Number" on the base along with a glass manufacturer trademark and a date code. For more info please bank check out my page here with a list of those liquor bottle permit numbers: Glass Industry Liquor Canteen Allow Numbers .

Here's my page nigh the "FEDERAL LAW FORBIDS SALE OR REUSE OF THIS BOTTLE" marking seen on liquor bottles.

Many liquor bottles are seen with "D-numbers" on the bottom which are distillery identification codes. Someone has put together a list of various distiller code numbers and R-numbers (Rectifier numbers) seen on a broad variety of liquor bottles, with some info on attribution. Here is a link to that folio, which is a .pdf file: https://static1.squarespace.com/static/51379b83e4b02119d184b2a2/t/584a336ee4fcb59adb85c48b/1481257838281/User+Allow+numbers.pdf

Date codes are often seen, especially on soda bottles from the 1930s to date, and many of these codes are embossed on the base of the bottle, placed to the correct of the glassmaker's logo. This is truthful on the products of some manufacturers, but not all.

Most modern glass bottles bear date codes, which are often on the heel of the bottle. These date codes are not e'er obvious, or easy to distinguish from mold numbers. Information technology also depends on exactly which glass company produced the container, as all firms did not / practise not use the aforementioned system of markings.

DOTS or BUMPS around the lower heel of bottles.

In many cases (especially inside the terminal couple of decades), mold information information is now preserved through the utilize of small embossed "dots", "bumps" or raised periods bundled horizontally around the lower heel of the container. More than information on this invention (which is rather involved!) and how information technology works tin can exist establish by doing an cyberspace search (Google, Bing, Yahoo or other search engine), using the keyword search terms "EP 0256804 B1 " , "code reader", and "Emhart".

Hither are a few photos showing typical bottle bases with numbers on the bottoms. At that place are numerous ways in which the base of a bottle might be marked, simply here are some of the more than ordinarily seen "layouts" of the mod era. I plan on adding more photos of typical bottle bases on this page every bit fourth dimension allows. You lot can also encounter several relatively modernistic bottle bases on my pages nearly Owens-Illinois Glass Company and Brockway Drinking glass Visitor.

Base of amber rectangular bottle with 1972 date code. The number "9" is a plant location code, the number "72" is a year date code. — Base markings on a "generic" rectangular amber medicine canteen made by Owens-Illinois (I inside an O) . This canteen was fabricated in 1972 (date lawmaking 72) at plant number 9 (Streator, Illinois). The "xv" is a mold number.

Base of operations of emerald green 7-UP soda bottle fabricated in 1951 past Owens-Illinois Glass Company. DURAGLAS was the make name of their container glass, introduced in 1940. This particular canteen was made at found number 7 (Alton, Illinois). Grand-94 was the bottle fashion number. "iii" is a mold number. 51 is the year appointment code.

This is an example of a typical configuration seen on many bottles. This is an emerald light-green soda bottle (that probably held a lemon-lime or ginger flavored soda) fabricated past Foster-Forbes Glass Company in 1990. The "FF in a circle" was their logo/trademark, and the "18A" is the mold / cavity number. The "10" is probably the institute location lawmaking.

Mold number "33" on the base of an emerald green soda bottle manufactured by Owens-Illinois, Inc. Millions of these types of "generic" non-returnable drinking glass soda bottles have been made for many years. This particular bottle was fabricated in 1984, as indicated by markings along the lower heel of the canteen (non visible in photo).

NOTE: Please click here to go to the alphabetical list of Glass Bottle Marks , this link points to "page one". If there is an identifiable marker on the bottom of a bottle, the mark might be listed there. These pages list many unremarkably seen drinking glass makers' marks such as "B within a circle", "Diamond and oval with an I", "I inside a diamond", "O in a square", likewise as initials such as "S B & Grand CO", "R & CO", "A B CO", "F C G CO", "I M CO" and many others.

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Source: https://glassbottlemarks.com/numbers-on-bottoms-of-glass-bottles/

Cobalt Blue With Clear Art Glass Bottle and Square Topper

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