ownit liquidating trust - Snuff jar dating
In short, there was (and is) nothing to stop a glassmaker from using an obsolete method in the production of a bottle.3.
Some technological changes were expensive and not adopted by glass makers until it became an "adapt or perish" issue and many glass factories just perished.
Such a variety of woods were used that in some cases it is hard to verify the type, and designs were used for generations, so dating is more of an art than a science.
Wood was used so prevalently in those days, because it was abundant and less expensive to use than other costly alternatives, hence many objects with sometimes more than one purpose were turned and carved, which makes collecting treen and other wooden bygones such a satisfying and interesting hobby.
A substantial amount of bottle type specific information must be reviewed by a user to increase the probability of dating accuracy.