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2. L. S. Starrett Company - Wikipedia

   en.wikipedia.org/wiki/L._S._Starrett_Company

   In 1890, L.S. Starrett patented a micrometer with other improvements, transforming the rough version of this tool into a modern micrometer. [5] During the same year Starrett began making and refining saw blades, and continues to be a major manufacturer as of 2015. [citation needed] In 1895 Starrett patented the divider with trammel. [6]

3. Micrometer (device) - Wikipedia

   en.wikipedia.org/wiki/Micrometer_(device)

   The term universal micrometer may also refer to a type of micrometer whose frame has modular components, allowing one micrometer to function as outside mic, depth mic, step mic, etc. (often known by the brand names Mul-T-Anvil and Uni-Mike). Blade micrometers have a matching set of narrow tips (blades).

4. Electromagnetic spectrum - Wikipedia

   en.wikipedia.org/wiki/Electromagnetic_spectrum

   frequency: 1 dm: 3 GHz 12.4 μeV UHF Ultra high frequency: 1 m: 300 MHz: 1.24 μeV Radio waves: VHF Very high frequency: 10 m 30 MHz 124 neV: HF High frequency: 100 m 3 MHz 12.4 neV MF Medium frequency: 1 km: 300 kHz: 1.24 neV LF Low frequency: 10 km 30 kHz 124 peV: VLF Very low frequency: 100 km 3 kHz 12.4 peV ULF Ultra low frequency: 1 Mm ...

5. Micrometer - Wikipedia

   en.wikipedia.org/wiki/Micrometer

   Micrometer can mean: Micrometer (device), used for accurate measurements by means of a calibrated screw; Micrometre, a millionth of a metre

6. Radio spectrum - Wikipedia

   en.wikipedia.org/wiki/Radio_spectrum

   Radar-frequency bands according to IEEE standard [17] Band designation Frequency range Explanation of meaning of letters; HF: 0.003 to 0.03 GHz: High frequency [18] VHF: 0.03 to 0.3 GHz: Very high frequency [18] UHF: 0.3 to 1 GHz: Ultra-high frequency [18] L: 1 to 2 GHz: Long wave S: 2 to 4 GHz: Short wave C: 4 to 8 GHz: Compromise between S ...

7. Metric system - Wikipedia

   en.wikipedia.org/wiki/Metric_system

   In the SI, the standard metre is now defined as exactly 1 ⁄ 299 792 458 of the distance that light travels in a second. [10] [11] The metre can be realised by measuring the length that a light wave travels in a given time, or equivalently by measuring the wavelength of light of a known frequency. [12]

8. Savings interest rates today: Grow your money faster than ...

   www.aol.com/finance/savings-interest-rates-today...

   At the conclusion of its seventh and penultimate rate-setting policy meeting of 2024 on November 7, 2024, the Federal Reserve announced it was lowering the federal funds target interest rate by 25 ...

9. Indicator (distance amplifying instrument) - Wikipedia

   en.wikipedia.org/wiki/Indicator_(distance...

   Ideal test indicator pushed. Prior to modern geared dial mechanisms, test indicators using a single lever or systems of levers were common. The range and precision of these devices were generally inferior to modern dial type units, with a range of 10/1000 inch to 30/1000 inch, and precision of 1/1000 inch being typical.