Start Dating and moving on

Dating and moving on

This bottle dating "key" is a relatively simple "first cut" on the dating of a bottle.

This technology lag makes some diagnostic characteristics better than others for dating. As a corollary to #1, consider the following quote: "Treat terminal dates with care.

Other diagnostic tools must be used to date these items.

Shape is more indicative of function - i.e., what the bottle was used for or contained - but even that has a myriad of exceptions.

Please be aware that in order to gain the maximum information about any particular bottle (e.g., dating, typing) the user must usually must review a number of pages within this website.

Unfortunately, the complexities of precisely dating bottles is beyond the scope of any simple key.

An example of this is the finding of a few pontil scarred utilitarian bottles among otherwise late 19th or early 20th century refuse.

It is unlikely that this bottle was made during the same era, but instead was reused for a lengthy period or otherwise retained until broken or discarded.

A substantial amount of bottle type specific information must be reviewed by a user to increase the probability of dating accuracy.