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This standard is commonly used for shop glasses, shooting glasses, and many other examples of protective eyewear. While compliance to this standard is required by United States federal law, [19] it is not made freely available by ANSI, who charges $65 to read a PDF of it. [20] The ANSI paper sizes (ANSI/ASME Y14.1).
In 1901, in response to a bill proposed by Congressman James H. Southard (R, Ohio), the National Bureau of Standards was founded with the mandate to provide standard weights and measures, and to serve as the national physical laboratory for the United States. Southard had previously sponsored a bill for metric conversion of the United States.
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In some cases, the nominal quantity may suffice; in others it may be necessary to give the nominal size (often in non-SI units), the actual size in non-SI units, and the actual size in SI units. Whenever a conversion is given, the converted quantity's value should match the precision of the source (see § Unit conversions).
The United States population had some semi-unique advantages in that they were former British subjects, had high English literacy skills, for that period, including over 80% in New England, had stable institutions, with some minor American modifications, of courts, laws, right to vote, protection of property rights and in many cases personal ...
The total number immigrating in each decade from 1790 to 1820 are estimates. The number of foreign born in the 1830s and 1840s are extrapolations. Nearly all population growth up to 1830 was by internal increase; about 98.5% of the population was native-born. By 1850, this had shifted to about 90% native-born.
Antique firearms can be divided into two basic types: muzzle-loading and cartridge firing. Muzzleloading antique firearms are not generally owned with the intent of firing them (although original muzzleloaders can be safely fired, after having them thoroughly inspected), but instead are usually owned as display pieces or for their historic value.
The American South reacted angrily to the visit, and racial violence increased in the region. December 3, 1901: President Roosevelt delivered a 20,000-word speech to the House of Representatives, asking Congress to curb the power of trusts "within reasonable limits."