How Glass Bottles are Made - Page 15



	As you ride along in a train, watch the telephone and telegraph wires alongside of the road. You will notice that at every pole the wire is supported on a cross arm with glass insulators to bind the wire to. They must be of an exceptionally durable glass to withstand the extremes of heat and cold to which they are subject. Whenever you see these glass insulators, think of Whitall Tatum Company, because for generations we have made them by the tens of thousands for use all over the country.