
Room: Tracing Board Treasury
Source Collection Tracing Board Treasury

The 3 architectural orders

Shaking Hands

ladder

level and plumb line

The cable tow

the Middle Chamber

Winding Staircase

The temple

gavel, the chisel and the folding rule

Globes

the 47th problem of Euclid

The Mosaic Pavement

Rough stone

The Keystone

All seeing eye

The Grave

The Square and Compasses

Accacia branch