Ciro Santilli $£ Sponsor €¥ 中国独裁统治 China Dictatorship 新疆改造中心、六四事件、法轮功、郝海东、709大抓捕、2015巴拿马文件 邓家贵、低端人口、西藏骚乱
Video 1. Source.
Great overview of the earlier history of unit standardization.
Gives particular emphasis to the invention of gauge blocks.


  1. International System of Units
  2. List of systems of units
  3. System of units
  4. Physics
  5. Natural science
  6. Science
  7. Ciro Santilli's Homepage