OIL CITY. city in V'enango Pa.. 132 miles north by east of Pittsburg; on the _\11egheny {liver. at the ninth of Oil l'reek, and on the Erie. the Pen nsylvania. and the Lake Shore and .Nliehigan Southern railroads Pennsylvania. P. 2). There arc' several bridges within the munieipal limits, and Sinit and llosson's park-. The more prominent struc tures include the t'arnegio Free Library, city hospital. high sellout. the lid Exchange. and the office buildings of the Standard Oil Company. lid city is the centre of the celebrated petroleum fields of western Pennsylvania. and ha- large refineries and barrel wvorks; also foundries and machine tubing and rasing works, boiler and cf1:2.ill, and manufactories of oil well supplies. 'Under a charier of 1889, the govern ment is vested in a mayor. every three years. a bicameral council, administrative most holD viectud by the council or confirmed by that body on nomination of the mayor. The compt roller, assessors, con stables, and school board. however, are chosen by popular Note. The water-works are o NN ned by the inunicipalily. Iti1 City was settled about but did not become of any partieular innlinseed oil. The surface is evened down by passing the cloth through a series of metal blades. which serape MI the superfluous paint. The suface is again rubbed down with
pumiee-stone :Ind the process of painting and rulibing down is repeated ninny the num ber determining the quality of the cloth. The next stop is the applying of the patient. The pattern is carved on wooden Idoeks. a separate block for each color. The are of pine, faced with a thin layer of harder wood. which is glued on. The part of the design assigned to each block is carved in relief upon it. The color is applied by rollers, which have taken up the coloring matter from troughs. printing of the cloth is done by machinery. The cloth passes over a table and under the blocks, which a and falling motion. The cloth i, now purred to the drying room. where the proeess of drying is hastened by artificial heal. When dry and bard the cloth is varnished, trimmed.and rolled. :Manufacturers sometimes use instead of the carved block-. pin blocks, which consist of tIn•cc layers of wvood firmly cemented together. The surface block is divided up into a series of peg, and by sawing the block in lines very close together and at right angles to each other. All the pegs not needed for outlining the figure arc then cut away. See History end Manu facture of Floor Coercing (New York, 1809).