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Which limit during geared astrolabe construction posed substantial challenges due to complex calculations?

A)Achieving accurate arcuate scale divisions
B)Ensuring consistent brass alloy ratios
C)Measuring celestial observational altitude
D)Maintaining level instrument gravitational balance

💡 Explanation

Producing accurate arcuate scale divisions, notably for the ecliptic, was problematic because the required nonlinear angular spacing necessitated algebraic approximations or iterated geometric solutions rather than simple linear scaling; therefore, precision was challenging because of error propagation.

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