Cursed Units 3: The British Empire Strikes Back

Furlong? Depends on the animal.
Watch the full series here:    • The Cursed Units Series  

My website: https://www.joenewton.au
My social media: https://bsky.app/profile/josephnewton...
Background music is me improvising on a piano. More info: https://www.joenewton.au/music#piano

VIDEO RECOMMENDATIONS
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Oilfield units:    • Oilfield Units: a Measurement System so Cu...  
Word origins:    • The curious origins of imperial and metric...  
British coinage:    • Predecimal Currency: The Nightmare in Your...  
???:    • Every Time "67" Has Been Said on Numberphile  

REFERENCES
World maps sourced from https://vemaps.com
Smoots: https://news.mit.edu/2008/smoot-tt0924
Milestones: https://spokenpast.com/articles/roman...
Mile history: https://petersmagnusson.org/2009/09/1...
Wine gallon: https://www.sizes.com/units/gallon_en...
Roman libra: https://penelope.uchicago.edu/Thayer/...
Volume units: https://www.nottingham.ac.uk/manuscri...
Slugs: https://www.cambridge.org/core/journa...
Unit chart 1: https://feelingmyage.co.uk/2011/10/we...
Unit chart 2: https://commons.wikimedia.org/wiki/Fi...
Metric history: https://usma.org/a-chronology-of-the-...
More pendulum details: https://blog.plover.com/physics/pendu...
Metre history: https://www.nist.gov/system/files/doc...
SI system standards: https://www.bipm.org/documents/20126/...
US survey foot 1: https://www.nist.gov/pml/us-surveyfoot
US survey foot 2: https://amerisurv.com/2023/02/09/the-...
Climate Orbiter: https://llis.nasa.gov/llis_lib/pdf/10...

A BUNCH OF BRITISH THERMAL UNITS
https://web.archive.org/web/201611100...
https://www.eia.gov/energyexplained/u...
https://thelawdictionary.org/british-...
https://www.constellation.com/solutio...
https://www.ebsco.com/research-starte...
https://www.irmenergy.com/explore-mmb...
https://www.carboncollective.co/susta...
https://physics.nist.gov/cuu/pdf/sp81...