Dating bottles by their tops

dating bottles by their tops

How accurate is bottle dating?

First this cautionary note: Bottle dating is not a precise science! Using physical, manufacturing related diagnostic features, most utilitarian bottles can usually only be accurately placed within a date range of 10-15 years (i.e., 1870-1880 or 1885) .

What is a key concept in historic bottle dating?

A key concept in historic bottle dating is the high probability (i.e., high likelihood) that the age range noted for a particular diagnostic characteristic is accurate for a given bottle which has that diagnostic feature.

How long do bottles last?

First this cautionary note : Bottle dating is not a precise science! Using just physical, manufacturing related diagnostic features, most utilitarian bottles can usually only be accurately placed within a date range of 10-15 years (i.e., 1870 to 1880 or 1885) . There are numerous reasons for this:

What is utilitarian bottle dating?

This Bottle Dating page (and website in general) is designed to address what the website author refers to as utilitarian bottles & jars (click for more information). Utilitarian items makes up the bulk of the bottles produced during the 19th century and first half of the 20th century.

Is it possible to date a bottle?

It is not easy to date your bottle via the tax strips or medals. There are a few problems. When new series were issued, old ones were still allowed to be used and were in fact used until they ran out.

What is the probable date range for bottle a?

At this point in the dating, the overlapping date ranges from all the questions gives the user a much narrowed probable date range of 1860 to 1875 for bottle A. The user is now directed to move to the last question in the Mouth-Blown bottle section of the Dating page - Question #7- which deals with air venting marks on the bottle surface.

How can I increase the probability of dating a bottle?

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.

What is a key concept in historic bottle dating?

A key concept in historic bottle dating is the high probability (i.e., high likelihood) that the age range noted for a particular diagnostic characteristic is accurate for a given bottle which has that diagnostic feature.

Estimates suggest that it can take plastic bottles around 450 years to decompose in landfills. How long does it take for plastic bags to decompose in the ocean?

How long do plastic bottles take to break down?

How long will a 10 pound bottle of nitrous last? A: It depends on bottle capacity and the size of the nitrous shot being used. On the 75hp setting, a 10 lb. bottle will last around 10 quarter mile runs. On the 125hp setting the bottle will last around 6 runs. How much does nitrous cost per pound?

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