East-west cross-sections through long stoa on Pnyx ... John Travlos ... Dirty Cartridge Paper Drafting Ink ... 1935
Profile and projection of scratches made by the wheel of the Water-Mill ... John Travlos ... Stained Dirty Cartridge Paper Drafting Ink
The millstones in the Water-Mill ... John Travlos ... Stained Dirty Cartridge Paper Drafting Ink
Details of sockets for the bearing blocks in the Water-Mill ... John Travlos ... Dirty Cartridge Paper Drafting Ink
