The invention of a white pottery glaze
suitable for painted decoration, by the addition of an oxide of tin to the slip of a lead glaze, was a major advance in the history of pottery.
Styles ranged from contemporary silver links and smoke-blue ceramic lamps to antique scroll, reactive pottery glaze
and antiqued wood buoy models.
may seem to be an innocent product, but for conservationists in Nova Scotia, it has become a threat to one of the province's most outstanding natural areas.
The remaining blank of the paper-cut pattern has visual contrast with the coloured pottery glaze
. The decoration of the patterns is rustic but attractive and brings a touch of vitality to the monotonous porcelain craft.
From my early morning kitchen window I watch another 747 vapour trail dripping down the clear sky like a misplaced dab of pottery glaze
on a piece of choice china.
PRI reports on common sources for lead poisoning around the globe: lead-based paint in the United States, batteries contaminating groundwater in Asia, pottery glazes
in Latin America, mining operations and battery recycling in Africa.
In glass making, feldspars provide alumina, adding strength and hardness to the product, which are the same traits needed in pottery glazes
. Feldspars as a group register six on the Mohs scale.
Named after the planet Uranus, uranium was first used in pottery glazes
and iridescent glass.
Another fugitive from mechanised production line practices was Howson Taylor who developed the glory of Ruskin pottery glazes
in that least promising of Birmingham areas - Smethwick, a place which, over the years, he declined to leave.