WINDOW GLASS BY JOHN CLICK HERE AUDIO EPISODE LEARN THE UNIVERSITY OF HOUSTON COLLEGE OF ENGINEERING PRESENTS THE MACHINES CIVILIZATION THE PEOPLE WHOSE INGENUITY FEATURES GLASSMAKING HARDER INVENT SURPRISE REALLY FINE TABLEWARE GOOD THE ANCIENT EGYPTIANS GREEKS SODIUM CARBONATE REAL QUALITY MADE IN HELLENISTIC NORTH AFRICA QUICKLY THE ROMANS COMMON PRODUCT STAINED GLASS THE GOTHIC CATHEDRAL DEVELOPED MIGHT THINK HANDLING REACHED HIGH PERFECTION AT THAT POINT SEEMS BEYOND REACH TODAY COLORING MEDIEVAL SMOOTH ENOUGH CLEAR WINDOWS VIEW THE OUTSIDE WAS TO ILLUMINATED BIBLE STORIES FAITHFUL TWO KINDS FLAT GLASS TECHNIQUE BLOW CUT CYLINDER OPEN THE OTHER SHEET CROWN GLASS SPINNING LETTING SPREAD CENTRAL REFINEMENT DOMESTIC DISPLAYED CHARACTERISTIC IMPERFECTION CROWN FRENCH SUPERIOR PLATE GLASS PROCESS POURED OUT THE GLASS NEEDS GRINDING POLISHING COMMON PEOPLE YOU AND ME CONTINUOUS HAD TO ROLLED OUT IN DONE MODERN THE EARLY INEXPENSIVE LITTLE HALF ACTS INVENTIVE GENIUS COMPLEX CHEMICAL MECHANICAL PROCESSES THINGS GIVE DAILY LIVES GRACE BRIDGES OUTER WORLD TECHNOLOGY THE WAY MINDS FIND THE BEST THE HISTORY OF ENCYCLOPAEDIA REVISED VERSION OF EXAMPLE EGYPTIAN HELLENISTIC PERIOD CLICK THE IMAGE HOLDINGS HOUSTON MUSEUM OF FINE ARTS EDINBURGH ENCYCLOPAEDIA OPERATION THE ENGINES OF OUR INGENUITY COPYRIGHT PREVIOUS SEARCH EPISODES INDEX NEXT EPISODE