Propagation Sequence: After the next revolution place your hat, spectacles, compass, pipe, and coat

Glass slides, steel, charred Pre-Pottery Neolithic B (PPNB) lentils, charred Roman barley, charred Medieval rye, plastic containers, bere (strain of Barley grown in Orkney, Scotland), tarp from Ness of Brodgar excavation (Neolithic site in Orkney), glasses lens found in Neolithic tomb, Neolithic building stone from Ness of Brodgar, lungfish fossils in Orkney flagstone, steam engine coal, acrylic sheets