AR105 Lecture Notes - Lecture 6: Glassblowing, Roman Technology, Roman Concrete
7 Nov 2016
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Document Summary
At least two advancements in technology are considered to be speci c roman innovations : Prior to 1st century bc all glass vessels manufactured using moulds. 1st century bc- technique of glass blowing developed. Enabled mass production of decorative and utilitarian shapes. Glass slab from workshop at beth sheraim (galilee) 6x11. 5 feet; 18,000 pounds; 18 inches thick. From dioletians edict on maximum prices (ad301) Glass could be sold as raw or material, or as nished products **see slides** Eg. late roman cage cups- manufactured from single piece of glass. Silver/gold particles in glass change colours under different lighting conditions. Beginning in republican period, roman builders made use of hydraulic concrete. Preferred gypsum or lime xed with volcanic sand. Concrete core could be faced with stones, bricks, or other materials. Enabled buildings of different shapes, massive dimensions to be constructed. Often left makers mark that also included the consul at that time.
