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Ivory powder measure used to provide a uniform amount of gunpowder for a muzzle-loading firearm before cartridges were available. A powder measure is a device for dispensing consistent amounts of smokeless powder or black powder as charges for handloading cartridges used as small arms ammunition. a typical volumetric powder measure
The dram (alternative British spelling drachm; apothecary symbol ʒ or ℨ; [a] abbreviated dr) [4] [5]: C-6–C-7 [6] is a unit of mass in the avoirdupois system, and both a unit of mass and a unit of volume in the apothecaries' system. [5]
An IMR smokeless powder for reloading The Hagley Museum in Wilmington, Delaware. IMR Legendary Powders is a line of smokeless powders which are popularly used in sporting and military/police firearm cartridges. The initials 'IMR' stand for Improved Military Rifle powder. IMR powders makes a line of various types of smokeless powder suitable for ...
Instead, the powder should be poured into an intermediate container known as a charger or powder measure. Sometimes, the cap to the spout represented the measure, especially for priming flasks. [13] Sometimes, the spout itself was the measure, with a sliding device to shut off the supply at the base, as well as a cap.
A powder scale is therefore needed to determine the correct mass thrown by the powder measure, and by the shot measure, as powder loads are specified with a precision of 0.10 grain (6.5 mg), but are usually thrown with a tolerance of 0.2 to 0.3 grains in most shotshell presses. Similarly, shot payloads in shells are generally held to within a ...
In 1824 there was landmark new weights and measures legislation in the United Kingdom that the United States did not adopt. In the United States, quarters, hundredweights, and tons remain defined as 25, 100, and 2000 lb respectively. The quarter is now virtually unused, as is the hundredweight outside of agriculture and commodities.
In antiquity, systems of measurement were defined locally: the different units might be defined independently according to the length of a king's thumb or the size of his foot, the length of stride, the length of arm, or maybe the weight of water in a keg of specific size, perhaps itself defined in hands and knuckles.
The wide mouth was used for refilling, while the powder was dispensed from the narrow point. In some cases the point was closed and the mouth used for both, with a powder measure, a type of scoop used to dispense the powder, and in others both ends were open and the horn merely used as a funnel. The horn was typically held by a long strap and ...
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