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Caesium fluoride sample on a watch glass. A watch glass is a circular concave piece of glass used in chemistry as a surface to evaporate a liquid, to hold solids while being weighed, for heating a small amount of substance, and as a cover for a beaker.
Three beakers, an Erlenmeyer flask, a graduated cylinder and a volumetric flask. Laboratory glassware is a variety of equipment used in scientific work, traditionally made of glass.
A replica (on a smaller scale) of the burning lens owned by Joseph Priestley, in his laboratory. A burning glass or burning lens is a large convex lens that can concentrate the Sun's rays onto a small area, heating up the area and thus resulting in ignition of the exposed surface.
Circuit board of an e block from a chronograph-wristwatch.The quartz crystal oscillator can be seen on right. Quartz clocks and quartz watches are timepieces that use an electronic oscillator regulated by a quartz crystal to keep time.
Broken laminated safety glass, with the interlayer exposed at the top of the picture. Laminated glass is composed of layers of glass and plastic held together by an interlayer. [8]
A beveled glass mirror, ca. 1910. Beveled glass is usually made by taking thick glass and creating an angled surface cut around the entire periphery. [1] Bevels act as prisms in sunlight creating an interesting color refraction which both highlights the glass work and provides a spectrum of colors which would ordinarily be absent in clear float glass.
Bulletproof glass of a jeweler's window after a burglary attempt. The Mona Lisa behind bulletproof glass at the Louvre Museum. Bulletproof glass, ballistic glass, transparent armor, or bullet-resistant glass is a strong and optically transparent material that is particularly resistant to penetration by projectiles, although, like any other material, it is not completely impenetrable.
A glazier is a tradesperson responsible for cutting, installing, and removing glass (and materials used as substitutes for glass, such as some plastics). [1] They also refer to blueprints to figure out the size, shape, and location of the glass in the building.