Dating pyrex marks

Posted by / 31-Jan-2020 23:27

The fakes are very thick, with a rough, grainy texture and do not include a sugar lid. Is Anchorglass the same as Anchor Hocking Fire-King and what does “Heat Proof” mean? (Most “unmarked” Fire-King had only foil labels, which were easily removed).

“Anchorglass is a trademark used by Anchor-Hocking. Some items are marked only with foil labels that say “Heat Proof Anchorglass.” They are Fire-King. Is it safe to put Fire-King in the dishwasher – or even a microwave? We have been using Fire-King in our microwave for years without a problem.

They’ll come clean all right, but over time, the original lustre will be replaced with a “dishwasher haze” — an actual removal of a thin layer of glass that removes its value as well. They are in excellent condition except for a white film here and there on the cups.

I have never seen this pattern before and picked it up for .00. I got this Butterfly Gold set for .95, there was a couple of pieces that I had to throw out because they were chipped and discolored, other than that the rest are perfect!

The cullet included not only scraps from work areas, but beverage bottles from the plant floor as well. You will find Anchor-Hocking casseroles, serving dishes, and glasses with art work signed by Georges Briard.” 15. I know that this is the mark of the Federal Glass Company, but does that mean it isn’t worth anything? In the antiques & collectibles world, “Value” is determined not by quality, beauty or scarcity but by DEMAND. Fire-King shakers are indeed all shaped the same, but none of them are square.

I need info on odd pieces with a large F inside a shield. The “F-in-a-shield” is the mark of the Federal Glass Company. I also have mugs that have a small A inside a larger H. The “H -over- A” is the mark of the Hazel-Atlas glass company. Did the Federal Glass Company make Fire King or is this a totally different brand of glass? Thanks largely to Martha Stewart, the demand for Fire-King is huge, while equally useful glass from other companies just sits on store shelves. But, if you’re looking for an investment, start collecting Fire-King. Some of my square Jadite kitchen shakers are tall and some are short. What you have are either Jeannette or Mc Kee range shakers.

White discloration can be two kinds of things: a deposit on the glass or actual removal of material from it. What is the difference between a Breakfast Bowl and a Chili Bowl? ABOVE (L to R): Chocolate, Small Restaurant, Extra Heavy.

Layers are added by such things as hard water minerals that can be removed with a solvent such as Lime Away or a mild abrasive, such as Soft Scrub or even with fine Brillo pads. Does the glass or the peach lustre finish contains lead? Shown at the left (from Left to Right) are the highly prized Breakfast bowl and, to its right, the commonly found “Chili” bowl. Breakfast bowls are sometimes found decorated with red or green ivy trim. ABOVE (L to R): Standard and Extra Heavy The most commonly found mug is the square-handled “Standard” coffee mug, which stands 3 1/2″ (88mm) high; has a diameter of 3 5/16″ (84mm) and holds a full 9 ounces.

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Anchor-Hocking marked almost all of its Fire-King wares but virtually none of its other Depression-Era lines. And how do I know how old it is and what it is worth? Both began making heat resistant ovenware in the 1940’s. There were others as well, such as Fry, the inventor of low-expansion heat resistant borosilicate glass (Fry Oven Glass); Mac Beth-Evans (Corning Ware and Pyrex) and Mc Kee (Glasbake). The Fire-King collecting culture is also carried along by an abundance of Fire-King research material and documents, while many of the catalogs from other companies are lost forever. At first glance they may appear to be identical, but the Mc Kee shakers are slightly taller and have wider necks. Please take a look at our pages of Jadite Reproductions to learn about some of the repros you are likely to encounter.