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Dating glass bottles uk

Published: 17.12.2017

Close-up of the finish lip of an Illinois Glass Co. Baffle Marks and Pontil Scars:

A yet a couple additional factors to keep in mind in the dating of bottles This Bottle Dating noted makers marking for the Owens-Illinois Glass.

Instead, there is one located near the base of the neck indicating that the neck ring mold portion of the parison mold produced the finish, neck, and a portion of the shoulder. This type of bottle was probably dip-molded and dates after circa This bottle dating "key" is a relatively simple "first cut" on the dating of a bottle.

Is the bottle colorless?

But any technique, once developed, can be used right up to the present - as many collectors know who have been so unfortunate as to rely too heavily on a popular termination date as sure evidence of true antiquity All this adds to the fascination with bottle making, but makes systematic dating similar to solving Rubik's cube - ostensibly simple on the surface but complex in practice.

Glass Factory Marks on Bottles: A low probability though possible "NO" alternative is that the user has an unembossed, molded bottle with no visible vertical side mold seams. For this website the distinction between the two categories is related to the varying time frames that different glass making techniques were used for for the two classes of bottles. Quality examples of references within each of these three categories are, respectively, Gordon Pollard's book on Plattsburg, NY bottles Bottles and Business in Plattsburgh, New York:

Is the lettering applied and in color? For a broader discussion of this subject see Lockhart, et al. Is the base indented with an irregular to round pontil scar? Design Thanks To The Dominor Web Development Company. These bottles are discussed in more detail in the ink bottle section of the Household Bottles non-food related typology page.

    1. Anna_Branina - 21.12.2017 in 07:48

      Reuse, of course, does not change the manufacturing date of the bottle itself, but care must be exercised when using the known date of one or a few bottles to date other items found from the same context.

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