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2. Lufkin (brand) - Wikipedia

   en.wikipedia.org/wiki/Lufkin_(brand)

   Early Lufkin logo. The company was founded by Edward Taylor Lufkin, an American Civil War veteran of the Sixtieth Regiment Ohio Volunteer Infantry [1] in Cleveland, Ohio, 1869 [2] and was originally named E.T. Lufkin Board and Log Rule Manufacturing Company.

3. Micrometer (device) - Wikipedia

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

   The accuracy of micrometers is checked by using them to measure gauge blocks, [17] rods, or similar standards whose lengths are precisely and accurately known. If the gauge block is known to be 0.75000 ± 0.00005 inch ("seven-fifty plus or minus fifty millionths", that is, "seven hundred fifty thou plus or minus half a tenth"), then the ...

4. 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]

5. Holiday sleep trouble? 5 secrets of a better snooze

   www.aol.com/holiday-sleep-trouble-5-secrets...

   Getting a good night's sleep can be a little more challenging amid the hype of the holidays. With changes in routine, diet and potentially time zones, quality sleep could be difficult to come by ...

6. Will the FDA ban red dye 3? Controversial food additive used ...

   www.aol.com/news/fda-ban-red-dye-3-143057097.html

   While red No. 3 has been banned from cosmetics in the U.S. since 1990, the dye – one of nine synthetic dyes approved for use in the U.S. – remains in food products.. However, the FDA has two ...

7. Filar micrometer - Wikipedia

   en.wikipedia.org/wiki/Filar_micrometer

   The precursor to the filar micrometer was the micrometer eyepiece, invented by William Gascoigne. Earlier measures of angular distances relied on inserting into the eyepiece a thin metal sheet cut in the shape of a narrow, isosceles triangle. The sheet was pushed into the eyepiece until the two adjacent edges of the metal sheet simultaneously ...