The pirate attack on metric standards
The Industrial Revolution lock-in
The great metric rebellion of the 1970s
The hidden metric reality of modern America
What is the term for changing all factory machinery and tools to a new measurement system?
hank Switching to the metric system would require factories to undergo a incredibly expensive process of replacing or altering their machinery.
Which government department historically took the lead in establishing standard US weights and measures?
Why did big businesses strongly oppose switching to the metric system in the 19th century?
hank US Customary Units
Factories built it all, Inch by foot and yard, Too costly now to switch, It's just too hard!
hank American industry thrived on standardized parts like screws and bolts, making any transition to metric highly disruptive to trade.
During which major historical era did US factories lock in their use of inches and feet?
Who standardized US screw threads in 1864, solidifying the use of inches in manufacturing?
Secretly metric: Since 1893, the official definition of an American inch is mathematically based on the millimeter, meaning US units are just disguised metric units.
Which US physicist signed the 1893 order that redefined American units in terms of the metric system?
The phenomenon where past decisions limit the options available in the present. American factories built during the nineteenth-century boom relied on inch-based machinery, making metric adoption too expensive.