Philip Larson

Three Anasazi

The Six Crystals

The Four Harrows

The Second Millstone (Wheat): Counting on the Fingers One to Ten

Charlemagne Water Clock

The Four Elements (The Four Times of Day)

The Two Millstones

Pigeons on a Barn 1 and 2

The Two Foundations

Sundial Drawings

The Two Drains

The Four Grates

Third Stencil of "The Four Stencils"

Third Stencil of "The Four Stencils"

Second Stencil of "The Four Stencils"

Second Stencil of "The Four Stencils"

Fourth Stencil of "The Four Stencils"

Fourth Stencil of "The Four Stencils"

First Stencil of "The Four Stencils"

First Stencil of "The Four Stencils"

Pear-Pitcher

Mackintosh - Mill

Hole-Ring

Mastaba - Barn

The Second Bar