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However, the term gauge, abbreviated G or ga, typically refers to the Birmingham gauge for hypodermic needles. [ 1 ] The French scale measures and is proportional to the outer diameter of a catheter, with 1 French (Fr) defined as 1 ⁄ 3 millimeter, making the relationship: 1 mm = 3 Fr.
The United States retained the 1 / 39.37 -metre definition for surveying, producing a 2 millionth part difference between standard and US survey inches. [47] This is approximately 1 / 8 inch per mile; 12.7 kilometres is exactly 500,000 standard inches and exactly 499,999 survey inches.
1.6 × 10 −5 quectometers (1.6 × 10 −35 meters) – the Planck length (Measures of distance shorter than this do not make physical sense, according to current theories of physics.) 1 qm – 1 quectometer, the smallest named subdivision of the meter in the SI base unit of length, one nonillionth of a meter.
1 × 10 −6 km inches ... rulers may be graduated in increments of 0.5 mm. Digital callipers are commonly capable of reading increments as small as 0.01 mm. [4]
G ≈ (6.7 ± 0.6) × 10 −11 m 3 ⋅kg −1 ⋅s −2 A measurement was attempted in 1738 by Pierre Bouguer and Charles Marie de La Condamine in their " Peruvian expedition ". Bouguer downplayed the significance of their results in 1740, suggesting that the experiment had at least proved that the Earth could not be a hollow shell , as some ...
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The following table is adapted from the scale of the American Library Association, [1] [9] which uses a basis sheet of 19-by-25-inch (483 by 635 mm) [10] which is, confusingly if not explained by the source, half the text/book stock sheet of 25-by-38-inch (635 by 965 mm), and in which size refers to the dimensions of the cover (trimmed pages ...
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