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Glass block wall in Chicago. Glass blocks can provide light and serve as a decorative addition to an architectural structure, but hollow glass blocks are non load-bearing unless stated otherwise. Hollow glass wall blocks are manufactured as two separate halves and, while the glass is still molten, the two pieces are pressed together and annealed.
Glass block, also known as glass brick, is an architectural element made from glass used in areas where privacy or visual obscuration is desired while admitting light, such as underground parking garages, washrooms, and municipal swimming baths. Glass block was originally developed in the early 1900s to provide natural light in industrial ...
The planned introduction of Eurobonds has been criticised by economists for reasons such as the free rider problem and moral hazard. [29] Beside economic grounds, mainly legal and political reasons are mentioned which could prohibit the introduction of Eurobonds: Article 125 of the Lisbon Treaty states explicitly that the European Union and its ...
Glass could be added to the mould either by frit casting, where the mould was filled with chips of glass (called frit) and then heated to melt the glass, or by pouring molten glass into the mould. [1] Evidence from Pompeii suggests that molten hot glass may have been introduced as early as the mid-1st century CE. [1]
Glass frit bonding, also referred to as glass soldering or seal glass bonding, describes a wafer bonding technique with an intermediate glass layer. It is a widely used encapsulation technology for surface micro-machined structures , e.g., accelerometers or gyroscopes . [ 1 ]
Also called building tile, structural terra cotta, hollow tile, saltillo tile, and clay block, the material is an extruded clay shape with substantial depth that allows it to be laid in the same manner as other clay or concrete masonry. In North America it was chiefly used during the late 19th and early 20th centuries, reaching peak popularity ...
“Eco-blocks for Eco-schools”, which is a joint programme held by The Hong Kong Polytechnic University and HSBC Insurance, aims at improved environment and air quality of schools with the use of the Eco-Block since 2008. King Lam Catholic Primary School (景林天主教小學) was one of beneficiary and an area of 200 square metres on the ...
Oculi: These could be open or blind, could be glazed or filled with thin alabaster.During the late Gothic period very large ocular windows were common in Italy, being used in preference to traceried windows and being filled with elaborate pictures in stained glass designed by the most accomplished Late Medieval and Early Renaissance designers including Duccio, Donatello, Uccello and Ghiberti.