Which systematic error arose when astrolabes were mass-produced around 1300 CE?

💡 Explanation

Eccentricity leads to systematic error in angle measurements, because the *manufacturing tolerance* meant that the alidade’s pivot wasn’t perfectly centered. Therefore, angular readings were skewed, rather than random variations or material-related deficiencies dominating.

• By the late 1700s, which navigational consequence increased from the use of Greenwich Mean Time?
• Which consequence results when breached Mesopotamian canal walls experience capillary action?
• Which outcome arises when the keystone collapses within Roman arch masonry?
• Which limit impacts gear size in early mechanical geared astrolabes?
• Which risk sharply increased following widespread silkworm rearing?
• Which risk increased pressure on Roman besiegers in cities experiencing epidemic?