The amber quart jar pictured originally of the area (full jar and close-up of your finish with cap set up) is an 1870s Standard (embossed Conventional within the higher system) canning jar having a pressed laid-on ring end along with a tin cap set up. (Shots courtesy of Greg Spurgeon Antiques.) This jar was blown in a very post-bottom mould, is reasonably crude with bubbly glass, and lacks proof of air venting - all commensurate With all the estimated date of manufacture.
Mouth-blown canning jars have been produced in write-up-bottom molds distinctly later than most other bottle categories with the exception of heavier glass beer and soda bottles and larger storage bottles like carboys. That is in line with the observation that bigger capacity and/or heavier bottles were being made in article-base molds to the the early 1900s Whilst lesser and/or lighter bottles were mostly shifting to cup base molds through the late 1870s (empirical observations).
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These groove ring wax seal finishes, regardless of the precise manufacturing technique employed (talked over afterwards), surface when wanting down at the rim of your end to be two round and parallel ridges with the indented groove separating them. This groove was called an "annular groove" by early glassmakers.
The aspect mildew seams vanish fairly abruptly and distinctly under the base from the tooled, normally one particular-part, end which may or may not Have a very capseat ledge on the inside of the bore; There's almost always evidence of end tooling in the form of faint concentric, horizontal rings on the finish, and especially, beneath the end around the upper neck earlier mentioned the higher terminus on the facet mould seams;
Thumbscrew and stopper/lid closured canning jars were not just about as common since the exterior screw thread/cap and even the Lightning-variety jars, but did acquire some sensible acceptance and use largely in the late 1850s to 1890s. To quotation Dr. Julian Toulouse (1969a), "The usage of the thumbscrew as a device to tighten the seal within the fruit jar was a make any difference of A fast flurry, and then virtual disappearance, except for the cumbersome Van Vliet, plus the revival like a museum jar by Whitall-Tatum.
The rest of the area is divided into your two big shape varieties for milk bottles: cylindrical (the oldest on the milk bottle variations) and square/rectangular bottles.
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The impression for the left is of the late 1860s quart jar using a steel cap and spring clip accepting complete. (Image courtesy of Greg Spurgeon Antiques.) This jar is embossed with F. J. BODINE / Suppliers / PHILADELPHIA, PA. , was blown within a publish-bottom mould, and it has a floor rim finish that has a mold shaped helical lug "thread" under the rim to which the spring clip clamped and rotated limited.
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The recognition and availability of sq./rectangular milk bottles had to do with advancements in bottle and glassmaking technological innovation that happened in the course of the World War II period. The necessity to dedicate far more components to your war exertion compelled glassmakers to think of a lighter but still sufficiently sturdy glass. The Owens-Illinois Glass Corporation mild weight glass container solutions had been referred with the proprietary identify Duraglas beginning in 1940 (Toulouse 1971; Giarde 1989; Lockhart 2004d).
Tomato ketchup/catsup (equally spellings are proper and applied interchangeably in this article) was contained within a reasonably diversified array of different formed bottles, although there are several styles which might be strongly recognized With all the merchandise. For example, the bottle into the remaining is actually a classic and distinctly formed fashion used for ketchup for an exceptionally long length of time. Generally speaking, ketchup bottles are somewhat tall and slender (a standard height of at the very least 3 occasions the human body or foundation diameter) and have a moderately slender mouth or bore for the scale from the bottle. The most typical kinds (like most of the examples pictured right here) also have an extended progressively tapering shoulder to neck portion that may be distinctly taller than the human body portion beneath it.