Aurelia Optical Works
Natural History Ledger · Plate IV

Retention under compound examination

Fine focus reveals loyalty before the ledger does.

Return rate by early observation count A primary brass line rises from 42.1 percent at one observation to 78.4 percent at three observations and 84.6 percent at four or more. 90% 75% 60% 45% 1 slide 2 slides 3 slides 4+ slides 42.1% 56.7% 78.4% 84.6% third slide threshold
This is the Victorian Brass Microscope design system, applied by Curio Design — a design-style library for AI agents. Full Victorian Brass Microscope guide → designbycurio.com/learn/microscope-brass-victorian