Posts Tagged ‘perfection0mg’

Use and Care of Gage Blocks

Sunday, August 11th, 2019

http://www.starrett-webber.com/GB45.html

Why Atomic Clocks Are the Most Reliable Timekeepers in the World

Sunday, May 26th, 2019

https://io9.gizmodo.com/why-atomic-clocks-are-the-most-reliable-timekeepers-in-1664992660

time – Why is a second equal to the duration of exactly 9,192,631,770 periods of radiations? – Physics Stack Exchange

Sunday, May 26th, 2019

https://physics.stackexchange.com/questions/243144/why-is-a-second-equal-to-the-duration-of-exactly-9-192-631-770-periods-of-radiat/243162

9192631770

Second – Wikipedia

Sunday, May 26th, 2019

https://en.wikipedia.org/wiki/Second

Our Units of Measurement Are Finally About to Get an Upgrade

Sunday, May 26th, 2019

https://www.sciencealert.com/our-units-of-measurement-are-finally-getting-an-upgrade

Units of Measurement | Boundless Chemistry

Sunday, May 26th, 2019

https://courses.lumenlearning.com/boundless-chemistry/chapter/units-of-measurement/

QT:{{”
What are the 7 fundamental units?
The SI system, also called the metric system, is used around the world. There are seven basic units in the SI system: the meter (m), the kilogram (kg), the second (s), the kelvin (K), the ampere (A), the mole (mol), and the candela (cd).
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Henry Maudslay – Wikipedia

Monday, April 29th, 2019

QT:{{”

Henry Maudslay and Company[edit]

In 1798 he obtained a small shop and smithy in Wells Street, off Oxford Street but in 1800 he moved to larger premises in Margaret Street, Cavendish Square.

By 1810 Maudslay was employing eighty workers and running out of room at his workshop, so he moved to larger premises in Westminster Bridge Road,
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https://en.wikipedia.org/wiki/Henry_Maudslay

Portsmouth Block Mills – Wikipedia

Monday, April 29th, 2019

https://en.wikipedia.org/wiki/Portsmouth_Block_Mills

Screw-cutting lathe – Wikipedia

Monday, April 29th, 2019

https://en.wikipedia.org/wiki/Screw-cutting_lathe

How a Block and Tackle Works | HowStuffWorks

Monday, April 29th, 2019

https://science.howstuffworks.com/transport/engines-equipment/pulley.htm