See: 1г—2 -

Frustrated, she sat at his heavy oak workbench. She noticed a small, rectangular indentation in the surface—exactly one inch wide and two inches long. It wasn't a piece of wood she was looking for; it was a space.

The refraction projected a map onto the workshop wall, pinpointing a location in the old forest where Arthur had harvested his finest oak. There, buried beneath the roots of a twin-trunked tree, Clara found not gold, but the blueprints for her father’s greatest unbuilt design and a letter: See: 1Г—2

Clara began searching for objects that fit the dimensions. In a hidden compartment of his tool chest, she found two glass slides wrapped in velvet. Separately, they were clear and meaningless. But when she stacked them——and held them up to the light of the setting sun, the etched micro-patterns on the glass aligned. Frustrated, she sat at his heavy oak workbench