Dating owens bottles

The bottle also does not have a ground down surface at the top of the finish i.This feature would nominally yield a " NO " answer to Question 2, indicating it is a mouth-blown bottle and dating prior to about , and move one to Question 4 on the Mouth-blown Bottles section of the Dating page complex.This yields a "YES" answer to Question 6 for both bottles and suggests a date of about to as the latest date that these bottles would likely have been manufactured.Under the "YES" answer for Question 6 there is more dating refinement possible based on the type or orientation of mold seams on the base, as follows: This yields a likely date range under this question of between and the mids for non-pontiled bottles like "A".This all indicates that both bottles were likely produced no later than about The lack of air venting does not help with the dating refinement of bottle "A" so we actually reached the end of dating for "A" with Question 6.Subsequent research indicates that Scovill's Cincinnati office closed sometime in indicating that bottle "B" most likely dates no later than ; a reasonable an quite narrow date range would thus be the late s to [Holcombe ].

We now have narrowed bottle "B" down to a highly probable date range of the late s to The user is now directed under all of the Question 5 options to move to Question 6 , which deals with diagnostic base features.

For brevity we will skip that portion of the Dating page.

Additional information on this website could be found by visiting the Bottle Bases page which would provide some information the small circular, press-and-blow machine induced valve aka ejection mark on the base picture below.

However, this determination would be incorrect for this bottle!

It is noted in the "Exception note" just under the "NO" answer to Question 2 that machine-made milk bottles made between the early s through at least the s are the major exception to the side mold seam rule as these bottles exhibit a disappearance of the side mold seams on the neck that emulates that found on a mouth-blown bottle with a tooled finish.

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  1. The rendering of architectural spaces without the use of paper and pencil tools is now a widely accepted practice with a number of computer-assisted architectural design systems.