It's color would be described as medium amethyst. The letters in this mark may or may not be connected. The only other artifact that might have come from the nineteenth century was a small piece of clear glass that has been solarized amethyst. This glassmaker has plants in Turkey as well as Romania and Russia. For some more information on McKee, click. Some glass when exposed to ultraviolet rays will only slightly purple to a faint pink tint, while others will turn the deepest royal purple.
As with the other colors, the general degree of density and color can also be described with modifier terms like deep, dark, medium, light, bright, etc. Well-Worn shards of 18 of carnival glass refers to darker glass, west. Richards Packaging, Mississauga, Ontario, Canada. John Peterson published his first article in 1992. In other words, a bottle very close to mint with very little wrong with it. What this equates to is that the same bottle in clear glass compared to one in a rare color like teal blue could have a difference in value of several thousand dollars at auction. This color is transitional between what is called black glass and very dark olive green though appears black in reflected light though not with moderate back lighting shown in the image.
The kiln takes much longer to cool down than to heat up. Appears on the base of clear coffin flasks. Is it safe to re-anneal early 19th century glass? Mechanic Glass Works, Philadelphia, Pennsylvania. Richards Packaging, Mississauga, Ontario, Canada originally operating under the name Richards Glass Co. Differences in the depth of penetration of the color change for solar and arc radiation are pointed out. Antique manny glass, 8mm, amethystcollection: mountmark: 14.
Manganese was added to glass beginning around 1880 and except for certain kinds of decorative glass items, was no longer used by glass manufacturers after approximately 1917 Lockhart 2006;Newman 1970. The experiment went perfectly and both bottles were reversed back to their natural clear color. If it was cough syrup, it likely had alcohol it. Could be either initials, or an actual surname for a brewer or bottling company? Also, a similar mark is seen on the base of certain mouth-blown amber, aqua and clear beer bottles and an amber salve jar that appear to date c. Known as York Flint Glass Company, founded circa 1837. The rim appears to not have been ground. Some online sellers may imply in their descriptions that this practice of surface-staining is ethical or highly to be praised, and that the buyer is just obtaining an unusually colored insulator to display in their window for mere decoration.
Could the 203 be some sort of mold? Jug had been filled with quarters. This excerpt is making reference to some of the effects - desired or not - that occur when mixing and melting glass. See list at this milk bottle site:. Please click here to go to my. Take care, David Guy, if it is of any value, the bottle probably held furniture polish trade marked in 1915. Later known as MetroPak Containers.
The color could also be referred to as dark amber with an olive tone. Tillotson in the late 1860s. If you have more info, please contact me! Northwood Glass Company, Wheeling, West Virginia 1902-1923. Was there at shut down in 1956. Investigations in the courtyard uncovered several foundations or architectural alignments that may represent remnants of these structures. This discussion is an attempt to outline these developments with an emphasis on their chronology and impact on bottle and jar production. Low iron means more control over the ultimate color Hunter 1950; Tooley 1953.
These blue colors are somewhat more common in certain classes of bottles like those intended for poisonous substances and cosmetics. BobB The cause is the same -- i believe it is alpha radiation but several pseudo-experts I just checked claim it to be the ultraviolet part of the light spectrum. Mechanization brought about standardization in bottle shapes, color, and closure types. This paper follows the process of standardization through the records of the Dominion Glass Company of Montreal. Massachusetts Glass Company, Somerville, Massachusetts c.
This mark photograph, shown appears on the bottom of a food jar design patented Aug. Very dark pieces are called black amethyst and are listed under that heading. Now that we have some glass to test we need a way to get them really hot without destroying them. Possibly from an unidentified glass company in one of the Eastern states, perhaps New Jersey? Name embossed on base of a wax sealer fruit jar. Hi Toni, You have an example of one of several types of fruit jars made by Giles Clough Glass Company c.
This is especially true if you have something you think is out of the ordinary. BobB See Elaine Henderson's website. We know that the color of glass can be changed by exposing it to high energy radiation. It has the N in a diamond, a line underneath then a number 2. This manufacturer is believed to have produced unmarked glass insulators, apparently none of which have been yet positively identified See my page on. I found it not far from an old hunting camp built in 1925. This mark was used possibly as early as 1919, but was definitely in use by 1925.
Though this page does not cover every color possible, it does cover those colors that probably make up 95-99% of the bottles made during the era covered by this website - the 19th through mid-20th centuries. While glass color is not as precise a dating tool as mold seams or finishes, it can provide helpful clues. . The objective here is to provide a useful chronology of the development and use of manganese as a decolorizer and to dispel some of the myths that have crept into the literature. David Hi Ken, Without seeing the bottle, I will make a guess that it is. Although the small bottle to hold perfume was first made before the time of ancient Egypt, it is the nineteenth- and twentieth-century examples that interest today's collector.