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Their sizes can range from an inch to about 6 inches (15 cm) long and 1 ⁄ 8 to 3 ⁄ 4 inch (3.2 to 19.1 mm) around, not including the stick. The smaller variety of these rockets are also commonly referred to as "Bottle Rockets" due to the commonality in which people use a bottle as a launching platform.
This engraving shows a 12-pounder U.S. shrapnel shell c. 1865. It is fitted with a Borman fuze. In the cutaway view, the dark grey is the wall of the shell, the medium grey is sulphur resin, the light grey are the musket balls, and the black is the bursting charge.
Open Clip Art Library logo This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication . The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the ...
Fireworks shell. Colors in fireworks are usually generated by pyrotechnic stars—usually just called stars—which produce intense light when ignited. Stars contain four basic types of ingredients. A fuel; An oxidizer—a compound that combines with the fuel to produce intense heat; Color-producing salts (when the fuel itself is not the colorant)
Pyrotechnic stars are pellets of pyrotechnic composition which may contain metal powders, salts or other compounds that, when ignited, burn a certain color or make a certain spark effect. They are a part of all projectile-type fireworks. The most common is the aerial shell.
Fireworks photography is the process of taking photographs of fireworks at night. It is a type of night photography, specifically using available light of the fireworks instead of artificial light. Without using the flash on the camera, the photographer often exposes the image for a period of time, known as long exposure.
A mixture of designations were in use for land artillery from the First World War (such as the BL 60-pounder gun, RML 2.5 inch Mountain Gun, 4 inch gun, 4.5 inch howitzer) through to the end of World War II (5.5 inch medium gun, 25-pounder gun-howitzer, 17-pounder tank gun), but the majority of naval guns were by caliber. After the end of World ...
Colored fire is a common pyrotechnic effect used in stage productions, fireworks and by fire performers the world over. Generally, the color of a flame may be red, orange, blue, yellow, or white, and is dominated by blackbody radiation from soot and steam.