Rosenwald sheets

The Rosenwald sheets are a set of three printed sheets of playing cards (nonfiction) from the 16th century which function as a rudimentary scrying engine.

Description

The Rosenwald sheets function as a matrix (mathematics for simple scrying engine routines.

Gnomon algorithm

The scrying engine effect is assumed to be a form of the Gnomon algorithm.

Efforts to prove the relationship are in progress (April 2016).

Fiction cross-reference

• Gnomon algorithm
• Scrying engine

Nonfiction cross-reference

• Matrix (mathematics) (nonfiction)
• Playing card (nonfiction)