Streets; City & town life; Utility poles; Brick wall signs; Signs (Notices); Automobiles; Buildings; Stores & shops
Utility poles line East Broadway near Eighth Street in Louisville, Kentucky. Their wires form a grid in the air. A traffic cop stands in the middle of the intersection as cars and a trolley pass by. On the left side of the street people stand by...
In a printing ink plant, phthalocyanine (Pc) aqueous slurries are produced by grinding the Pc pigment in water using a media mill. Mostly, dispersions of Pc in water are used in heat-set printing inks to make the color phthalo blue. Typically, Pc...
