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Eyewash is a fluid, commonly saline, used to physically wash the eyes in the case that they may be contaminated by foreign materials or substances. Eyewashes may be beneficial to those with sensitive eyes and can provide relief to the painful side effects of sensitivity.
Window glass was made at 49 glass works, while plate glass was made at five establishments. [8] The total value of all glass products produced was $21,154,571 (equivalent to $667,900,869 in 2023). Glassware accounted for 45 percent of the total value of glass products made in 1880; while green glass, window glass, and plate glass had ...
Bottles and jars accounted for 38 percent of all glass made during the year, based on value. [112] Pressed and blown glass, and building glass, each accounted for 30 percent of glass manufactured. (Rounding and an "all other" category account for the remaining two percentage points.) About two thirds of building glass was window glass. [112]
Windex is an American brand of glass and hard-surface cleaners [1] —originally in glass containers, later in plastic ones. The name "Windex" (from "window" + "-ex") is a registered trademark. Drackett sold the Windex brand to Bristol-Meyers in 1965. [2] S. C. Johnson acquired it in 1993 and has been manufacturing it since. [3] The original ...
Mechanical pressing of glass reduced the time and labor necessary to make glass products, which lowered costs and made glass products available to more of the public. [32] An 1884 U.S. government report considered mechanical pressing and a new formula for glass to be the two great advances in American glassmaking during the 19th century. [ 25 ]
At high power densities, refractive index follows the relation : n = n 0 + n 2 I. where n 0 is the index observed at low power levels, n 2 the nonlinear index and I the average electromagnetic field. Nonlinearity is smaller in low-index materials. In ZBLAN n 2 's value lies between 1 and 2×10 −20 m 2 W −1.
The manufacturing process for soda–lime glass consists in melting the raw materials, which are the silica, soda (Na 2 O), hydrated lime (Ca(OH) 2), dolomite (CaMg(CO 3) 2, which provides the magnesium oxide), and aluminium oxide; along with small quantities of fining agents (e.g., sodium sulfate (Na 2 SO 4), sodium chloride (NaCl), etc.) in a glass furnace at temperatures locally up to 1675 ...
German workers were used, and production of window glass is believed to have begun in 1786. [108] De Neufville was a poor financial manager, and the glass works was abandoned by 1790. [109] James Caldwell and associates renovated the abandoned factory in 1792 and began producing window glass. He called his factory the Albany Glass House. [110]
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