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So, what do these bits of information add as much as? Although the makers mark of S. G. CO. could conceivably stand for your names of numerous glass businesses (most while in the eastern U. S.), offered the approximated age of the bottle (twenties or 1930s) and the location from the diary person (south central Oregon) the initials Practically undoubtedly indicate production because of the Southern Glass Company (L. a., CA.) which was in company from 1918 to about 1930 and was often called a milk bottle producer (Toulouse 1971; Lockhart et al. 2009b). Understanding the maker narrows the production time down a tiny bit far more. Nonetheless, the quantities over the rim with the complete are rim day codes - a bottle tracking strategy utilized by West Coast glassmakers from the mid-twenties to early 1930s - indicating this bottle was designed in February ("2") of 1925 ("5").
So why did square/rectangular bottles for milk take so lengthy to catch on? There have been possible various causes. Previously mouth-blown sq. and rectangular bottles had the inherent weakness in the 4 vertical corners with comparatively sharp angles through which the glass was commonly noticeably thinner than the intervening flat panels. (Glass distribution and thickness when blowing bottles was a long-phrase challenge - specifically with mouth-blown bottles - which was incrementally solved as time passes with their manufacturing in automatic bottle devices.) Thin glass locations on milk bottles was a substantial breakage concern because milk bottles were being typically re-applied again and again, staying banged all over noticeably throughout the repeated washings, fillings, transportation and shopper use.
Over the era lined by this Site, there were most likely A huge number of uniquely various cylindrical meals bottles produced by glass makers within the U.
No horizontal or vertical mildew seams around the complete alone (the two are purely machine-produced bottle functions); and
Thumbscrew and stopper/lid closured canning jars were not nearly as popular since the exterior screw thread/cap or perhaps the Lightning-sort jars, but did achieve some acceptable acceptance and use mainly from the late 1850s to 1890s. To quotation Dr. Julian Toulouse (1969a), "The use of the thumbscrew as a tool to tighten the seal on the fruit jar was a matter of a quick flurry, and then virtual disappearance, apart from the cumbersome Van Vliet, plus the revival being a museum jar by Whitall-Tatum.
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Dating summary/notes: While the number of various jars made with cam lever and lid style closures was rather little, the World jars ended up relatively popular from all around 1886 till about 1905-1910 for mouth-blown illustrations and within the latter day until finally the early/mid-1910s for device-designed variations.
Begin to see the introduction to this "Canning Jars" area previously mentioned for standard manufacturing linked diagnostic dating data for canning jars.
During the previous half on the nineteenth century bottles formed like that demonstrated in this article ended up a dominant design/variety useful for numerous spices together with other condiments and food stuff items which might match. These uncommon eight-sided bottles (base perspective down below) have broad, concave back and front panels with flat slender facet panels bound collectively by comparatively large, concavely beveled corners.
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For more information on press-and-blow devices pay a visit to the Glassmaking & Glassmakers website page. These devices first began use during the mid-1890s as semi-computerized devices (requiring the hand feeding of glass) with entire automation obtained during the mid to late 1910s While using the addition of gob feeders.
Although the "frequent sense" milk bottle was used almost completely for milk and milk merchandise, the design was tailored for a couple other foodstuff products (you will find often exceptions!). The impression to the right is of the pint sized milk bottle which was employed for GOLDEN TREE / PURE / CANE SYRUP (embossed on the reverse) by The brand new ENGLAND /MAPLE SYRUP / Corporation / BOSTON (embossed on front as revealed during the image) showing a certain amount of diversity in the use of this bottle sort that is usually quite intently connected with milk items. Click reverse see to watch the reverse embossing. This fashion bottle was also utilized for honey as evidenced with the quart bottle pictured at the next inbound links: honey milk bottle; near-up of the embossing.
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