Potash, glass maintained in Germany, [257-258]
Pottery, relation to glass in history, [2-3]
Pretender, the, his head on wine-glasses, [330]
Primitive glass, [18-42]
Primitive glass, restricted use of, [20]
Primitive glass, Greek and Egyptian names, [20]
Primitive glass, of Egyptians imitates native stones, [21-22]
Primitive glass, late survivals, [37-38]
Primitive period in history of glass, [18]
Procello or ‘spring-tool,’ [15]