Until the seventeenth century, every scale was a version of which type?

Question

Accepted Answer

C. Balance scale

1. The pan balance is a very old and simple device.
2. Spring scales came much later, from the 1770s.
3. So all scales until the seventeenth century AD were variations on the balance scale.
_Source: Wikipedia, Weighing scale, Pan balance, History_

Answer

Spring scale

Answer

Digital scale

Answer

Strain gauge scale

Until the seventeenth century, every scale was a version of which type?

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