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Composition ornament ("compo") is a mouldable thermoplastic compound, consisting of powdered chalk mixed with collagen (hide glue), resin (pine rosin) and linseed oil; worked either by hand or more usually pressed into moulds to produce decorative work.
In a section entitled "Professional Prescriptions" is a formula for "diarrhoea (acute)": Tincture opium, deodorized, 15 drops; Subnitrate of bismuth, 2 drachms; Simple syrup, 1 ⁄ 2 ounce; Chalk mixture, 1 1 ⁄ 2 ounces, "A teaspoonful every two or three hours to a child one year old." "Diarrhoea (chronic)": Aqueous extract of ergot, 20 ...
A restored gesso panel representing St. Martin of Tours, from St. Michael and All Angels Church, Lyndhurst, Hampshire. Gesso (Italian pronunciation:; 'chalk', from the Latin: gypsum, from Greek: γύψος), also known as "glue gesso" or "Italian gesso", [1] is a white paint mixture used to coat rigid surfaces such as wooden painting panels or masonite as a permanent absorbent primer substrate ...
Within the field of icon painting, levkas is the mixture of fine alabaster powder, calcium sulfate (a form of gypsum), or calcium carbonate (chalk) along with glue (often rabbit skin glue, sometimes fish glue derived from the bladder of a sturgeon) applied in layers to a surface prior to gilding that surface with gold leaf or painting it, similar to gesso.
The term "calcium ammonium nitrate" is applied to multiple different, but closely related formulations. One variety of calcium ammonium nitrate is made by adding powdered limestone to ammonium nitrate; [1] [2] another, fully water-soluble version, is a mixture of calcium nitrate and ammonium nitrate, which crystallizes as a hydrated double salt: [3] 5Ca(NO 3) 2 •NH 4 NO 3 •10H 2 O.
If your first paycheck of 2025 falls on Friday, Jan. 3, you will receive three paychecks in January: Jan. 3, Jan. 17 and Jan. 31. You will also receive three paychecks in August: Aug. 1, Aug. 15 ...
Download as PDF; Printable version; In other projects ... A typical problem would be to make an intimate mixture of 75% chalk and 25% clay, and burn this to produce ...
Asbestos, a known human carcinogen, can be injurious to consumers if found in talc-containing cosmetic products as there is no established "safe level" threshold for exposure to the substance. If ...