Chapter IV — Measurement & Precision Meridian Instruments

The margin halves every generation

Measurement accuracy of Meridian instruments by era of manufacture, 1750–1870 ↑ 23 points since 1750
100% 80% 60% 40% Precision 76.2% 1750 83.8% 1780 91.4% 1810 96.1% 1840 99.2% 1870
This is the Brass Orrery design system, applied by Curio Design — a design-style library for AI agents. Full Brass Orrery guide → designbycurio.com/learn/astronomical-orrery-brass-1750