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These ingredients were used to make oak gall ink. [5] People soon discovered that they could write invisibly with one of the ingredients and then cause the writing to appear by adding the other. [6] Pliny the Elder and the Roman poet Ovid gave advice on the use of plant juices and milk to write secret messages. [7]
The color is caused by the size and dispersion of gold particles. Ruby gold glass is usually made of lead glass with added tin. Silver compounds such as silver nitrate and silver halides can produce a range of colors from orange-red to yellow. The way the glass is heated and cooled can significantly affect the colors produced by these compounds.
Sodium silicate and other silicates are the primary components in "instant" wrinkle remover creams, which temporarily tighten the skin to minimize the appearance of wrinkles & under-eye bags. These creams, when applied as a thin film and allowed to dry for a few minutes, can present dramatic results.
A traveling salesman guest leaves Uncle Joe a set of six paint-by-number canvases in lieu of a cash payment. Joe decides to take up painting and hopes to make money with his new venture. Joe hangs a painting up behind the front counter and everyone thinks it's bad. Mr. Cheever (Lyle Talbot), an antique dealer, buys Joe's first painting. Joe now ...
Paint stripper or paint remover is a chemical product designed to remove paint, finishes, and coatings, while also cleaning the underlying surface. The product's material safety data sheet provides more safety information than its product labels . Paint can also be removed using mechanical methods (scraping or sanding) or heat ( hot air ...
Iron gall ink. Oak galls and iron (II) sulfate, ingredients of iron gall ink. Iron gall ink (also known as common ink, standard ink, oak gall ink or iron gall nut ink) is a purple-black or brown-black ink made from iron salts and tannic acids from vegetable sources. It was the standard ink formulation used in Europe for the 1400-year period ...
C-4 or Composition C-4 is a common variety of the plastic explosive family known as Composition C, which uses RDX as its explosive agent. C-4 is composed of explosives, plastic binder, plasticizer to make it malleable, and usually a marker or odorizing taggant chemical. C-4 has a texture similar to modelling clay and can be molded into any ...
The paint was frequently limited to parts depicting clothing, hair, and so on, with the skin left in the natural color of the stone. But it could cover sculptures in their totality. The painting of Greek sculpture should not merely be seen as an enhancement of their sculpted form but has the characteristics of a distinct style of art.