Dating pewter marks
A substance such as glycerin and acid used to clean two pieces of metal to be joined together with solder. Also, a bowl-like vessel used in the Sacrament of Baptism. A decorative cast molding resembling a row of oval-shapped beads 1/4" or so in size. Designed by the maker and presumably used to make pewter appear as much like silver as possible. Hammering was thought to strengthen the metal, but modern metallurgists know that pewter quickly loses this strengthening effect. A 19th century Irish measure with a shape similar to a haystack. A bulge or knob on the stem of a chalice or candlestick for decoration and convenience in holding. A machine tool by which work is rotated on a horizontal axis and shaped or cut by a fixed tool. A series of small beads pressed or cut into a metal edge.
Unlike some original colonial pewter, STIEFF pewter contained NO LEAD In 1970 Stieff more than doubled the size of the Stieff Factory in order to increase production of pewter.
The knop of a spoon; the terminal end of a handle on a tankard, mug, etc.; or the knop on the lid of a flagon, teapot or other lidded piece. A lidded container, typically used in a church to carry wine for the sacraments. Flashing is cut off and discarded during the finishing process. A narrow rope-like type of stamped gadrooning is found on some Trask britannia pieces. Many have also been brought into this country in the 20th century by collectors and dealers. Vessels (such as mugs, tankards, and flagons) made to hold liquids, as distinct from sadware. This replaced the Old English Wine Standard (OEWS) and many other regional standards in the UK. Because there were no tin mines in this country, the only source of tin for 18th century American pewterers was scrap English pewter, melted down and adulterated with lead. English Saucers were not made in American pewter and were out of fashion in England by 1700. Visible tool marks that remain after manually removing surplus metal and smoothing rough surfaces of cast pewter. A sheet of pewter would be bent into the desired shape, the joint where the ends meet bonded with solder, and the resulting seam disguised through polishing and placement under an attached handle. Common secondary marks include hall marks, a crowned X mark, the pewterer's city, and owners initials. Popular from the 18th century into the 19th century. The process of removing surplus metal and smoothing rough surfaces of cast pewter by scraping with a tool as the piece rotates on a lathe. Marks left by skimming tools, usually found on the backs of plates, the outside bottom of porringer bowls, basins, mugs and tankards, areas less frequently seen and therefore not as carefully finished. The casting method used in pewter manufacturing to create hollow appendages such as handles and spouts.
Excess pewter found around the edges of a new casting caused by molten metal flowing out from a seam in the mold. Describes an American tankard lid type made in the 18th century but patterned on the English flat lid tankards (Stuart tankards) of the 17th century. Name given for pewter such as plates and dishes, to distinguish it from Hollow-ware. In American pewter it is most often found on candlesticks made by the Meriden Britannia Manufacturing Co., Flag & Homan, and Homan & Co. A set of sadware for the table, usually a dozen of each size. Never imported into this country, but many were brought here by Irish immigrants in the 19th century. IV Weights and Measure Act of 1824 with introduction delayed until 1 January 1826. When used in a decorative mode, it consists of lines (straight or curved) in a band - sometimes found around the lid, body or base of hollowware and sometimes found around the edge of flatware. One of the metals that may be alloyed with tin to create pewter. A forming technique used in the manufacture of Britannia cylindrical vessels. Any mark other than a touch mark which was struck on his/her wares by a pewterer. A descriptive term for a plate, dish or charger with a single cast reed or molding at the edge of the rim (on the upper surface).
The ATC mark was the mark of the American Pewter Guild. Fine pewter is made of Antimony, Tin & Copper (no lead) This mark is similar to having Sterling on fine silver.
The 1958 standard was 92% Tin, 5% Antimony and 3%Copper This standard would change in a few years to 92% Tin, 6% Antimony and 2% Copper.