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Determining the fineness of a paint's grind is important, because too coarse a grind may reduce the paint's color uniformity, gloss, and opacity. [7] The Hegman gauge is widely used for this purpose because it requires minimal skill and only a few seconds' work.
Then cure the paint and measure the dry film thickness. The percentage of dry to wet represents the percentage of volume solids. In earlier days, the volume solid was measured by a disc method but now a sophisticated instrument is also available which takes only a drop of paint to check the volume solid. [citation needed]
This process occurs when the paint is applied to an object through the use of an air-pressurized spray gun. The air gun has a nozzle, paint basin, and air compressor. When the trigger is pressed the paint mixes with the compressed air stream and is released in a fine spray. [5] Types of nozzles and sprays
A density cup is an instrument that is used to ensure quality control in a paint or lacquer. [1] It does this by measuring the density of the paint or lacquer, and comparing this density with the density of a standard for that paint or lacquer. [ 2 ]
The history of this tradition includes many experiments with color organs. Artist or inventors "built instruments, usually called 'color organs,' that would display modulated colored light in some kind of fluid fashion comparable to music". [2] For example, the Farblichtspiele ('colored-light-plays') of former Bauhaus student Ludwig Hirschfeld ...
A color scroller, color changer, or "scroller" is a lighting accessory used to change color gels on stage lighting instruments without the need of a person to be in the vicinity of the light. [5] It is attached in the gel frame holder on the outside of a lighting instrument, immediately in front of lens assembly.
There's one more item your iPhone can replace — a magnifying glass. We're taking a look at the iPhone's Magnifier app, a super useful free tool that allows you to magnify using your iPhone's camera.
The equipment used for stage lighting (e.g. cabling, dimmers, lighting instruments, controllers) are also used in other lighting applications, including corporate events, concerts, trade shows, broadcast television, film production, photographic studios, and other types of live events. The personnel needed to install, operate, and control the ...