Dating antique bottles uk
Perfumes and whisky and other alcoholic beverage bottles of this period often retained their cork closures.
The food and household product industries on the other hand widely adopted the screw cap quickly.
Owens rapidly made improvements as eh redesigned his machine numerous times and eventually over came the problems of uniformity see here.
All of the bottle mouths shown below were machine made.
This was the manner in which the early Owens bottles were blown. the step out collar of the example on the left is characteristic of bottles of the late teens and 1920s.
the bottle on the right appears to have a tapered collar a form which was very popular for more than 60 prior to the making of this bottle.
Key sections include dating, typing/typology, glassmaking, colors, finishes, bodies and seams, bases, fragment identification and a glossary.
One approach to helping beginner identify their old bottles involves show them the bases of old bottles.
Loaded with detailed descriptions and diagrams, and luscious high res photos, this is a superlative one-stop educational resource and vicarious digger experience.
In the center of the Owens Ring the Owens mark is shown the diamond.
the right side is crude and was disturbed by the action of marking the marking with Owens Ring.
In the 1920s, the bottle mimicked early forms which were hand tooled and sealed with a cork.
The automatic bottle machine was much more precise in gathering an exact amount of glass and the same amount of glass for each bottle this consistency lead to more uniform products.One unique closure to the late 1930s was a three point screw top.Unlike most screw caps, the three point screw top had three lugs jutting out from the lip which were to engage a metal cap.This is the base of the bottle whose lip is shown above left.