Dating antique bottles
BOTTLE MOLDS AND SEAM DATING:
The dating antique bottle machine was much more precise in gathering an exact amount of glass and the same amount of glass for each bottle this consistency lead to more uniform products. But the process was completed in a single blow.
Newman's key made a noble attempt at simplifying bottle dating, but is weakened by the fact that the subject is much too complex to be conducive to such a simple approach by itself. This page also shows how other portions of this website can provide information pertinent to the bottle in question.
Thousands of people ask Digger questions about their bottles. The pictures below are from two early machine made medicine bottles. Close up of iron pontil.
The two products were from separate companies which were cross-town [Sacramento, CA. Raised embossing and when present, paper labeling on a bottle can frequently provide important details to refine the probable manufacturing date range if information exists for the company that either manufactured the bottle i.
For a broader discussion of this subject see Lockhart, ed tech speed dating al. This termination of the side mold seam within the finish short of the rim Sheaffers ink or actually short of the finish itself green ink on these bottles makes it appear upon free online dating illinois glance that these are mouth-blown bottles having either an improved tooled finish Sheaffers or an applied finish green ink.
One can find quite a bit of information on my web site and across the Internet about dating bottles based on whether the mold seam goes up and over the lip or if the bottle has a 'pontil' on the base.
Published works generally cover either a particular city, region, or category of bottles. This webpage is intended to help novice collectors and non-collectors better identify, describe, and date the bottles they encounter.
Other diagnostic tools must anna faris and ryan reynolds dating used to date these items. The disk-like bottle is sometimes confused with a pontil.
Specialty bottles can be, of course, occasionally found on historic sites usually fragments, but occasionally intact but can rarely be used to help date the site because of the diagnostic problems and deposition lag issues noted above.
DETERMINING THE AGE OF OLD BOTTLES
As a corollary to 1, consider the following quote: Click here for a picture of a typical s to s milk bottle. That is the point of this website.
Pursue these links freely since they will take a user to more details on bottle dating and identification and hopefully add to the users knowledge and understanding about the bottle being "keying out".