Daily Arizona silver belt., 1909-08-29

in this shop are of the most modern make and are placed to the best possi- ble advantage in the building. All the machines in the shop are driven by electrical power. In connection with the shop, there is a thoroughly equip. ped tool room.
 The warehouse of the company, which was built some time ago, is 45 feet wide by 7o feet long, and in this case, also, provision has been made for extending the building whenever it is considered necessary. At present, the general mine offices of the Arizona Commercial Copper company, are To- cated in the east end of the ware house building These offices include those of the superintendent, the en- gineer and of the clerical force. A large vault is also situated in the east end of the building
 The power house is so feet long by ,72 feet wide. In this house there are installed one battery; two boilers of the Babeoek- Wilcox type, each of which has a capacity of 700 horse pow CT; two Nordberg engines the dimen- sions of which are II by 22 by 36; one No. Connersville blower; 100 kilo watt General Electric generator; 30 horse power motor; Nordberg air compressor with capacity of 1920 Ieubic feet; two 500 gallon circulating pumps; also, all necessary boiler feed pumps. oil pumps and oil purifiers.
 The hoisting plant of the Arizona Commercial Copper company, as it will be when complete. includes one Will ian -Seaver. Morgan 1000 pound hoist Of second motion and with double drum. which can be used in hoisting, either in balance or out; also an aux Hilary hoist of the IIendri < Bolthoff make. The air compressor at the Eureka shaft is of Sullivan manufac- ture and of the straight line type. It has capacity of 600 cubic feet. The gallows frame is 72 feet high with two unloading platforms, and separate ore chutes for each platform. The shaft will be fitted with two double deck
  pacity of the new plant, the auxiliary boilers already in use at the Eureka shaft have 500 horse power and are provided with all necessary circulating and oil pumps.
 Leading across the gulch from the new power house to the mine is a six inch steam pipe line and iive'inch air pipe line.
 An up.to-date dry house will be fitted m at the Eureka shaft to aceommo- date fully 100 men at a time.
 For handling the slag from the new shelter, the company will put in nse a ten ton General Electric locomotive and three slag cars, each of which has q capacity of 45 cubic feet.
 The cooling tower is a wooden structure and modern in every partieu lar.
 The sampling mill in connection with the shelter is equipped with disc pulyerizer, one 20 by 10 foot Blake crusher. one set of crushing rolls of the Cananea type, two Snyder samplers and one style B A!lis- Chalmers grinder.
 The power house is made of steel and the smelter building, also, IS of steel.
 The fire protection system of the Ar zona Commercial plant is as good as the best materials and careful atten- tioa to detaii in instalment could make it. A rectangular tank will soon be placed on the hillside about 200 feet above the plant. This tank has ca pacity of 10000 gallons and the posi- tion of it will afford high pressure. The water mains are of four-inch pipe, and in case of fire, one of the 500 gal lon Prescott circulating pumps can be put in use as an equalizer. The water mains lead to every branch of the plant, making the protection against disastrous fires excellent.
 The Eureka shaft, through which all the ore will be brought to the surface when production begins, is 700 feet deep. The ore will be put directly into the cars at the shaft and will be de- liyered at the smelter ore bins without any intermediate handling.
 Superior & Boston
 At the mine of the Superior & Bos- ton Copper company there is much activity along several lines. The camp there is now being enlarged by the building of five new cottages for the