Container glass Container glass Container glass is a type of glass for the production of glass containers, such as bottles, jars, drinkware, and bowls. Container glass stands in contrast to "flat glass" (used for windows, glass doors, transparent walls, windshields) and "glass fiber" (used for thermal insulation, in fiberglass composites, and optical communication). Container glass has a lower magnesium oxide and sodium oxide content than flat glass, and a higher Silica, Calcium oxide, and Aluminum oxide content. Its higher content of water-insoluble oxides imparts slightly higher chemical durability against water, which is required for storage of beverages and food. Most container glass
Hutchinson Family Singers for groups who sang in four-part harmony. John Hutchinson saw a Tyrolese Minstrels concert in either Boston or Lynn, Massachusetts, probably in 1840. He was impressed by what he heard, and he decided to teach the rest of his family to sing in the same style. John Hutchinson and three of his brothers (Asa, Jesse, and Judson) dubbed themselves the Hutchinson Family Singers and gave their first concert in Milford, New Hampshire, in 1840. They performed again in Lynn the following year. The group sang mostly European songs, such as those by Henry Russell or the Tyrolese Rainers, but Jesse