Show mining equipment at gintic tintic 2 paymaster S property the property ff csc of the tintie pay master mines ey company lies between the selma mining ff compana and zw the lehi after 50 the property was purchased ed by the present 2 owners it jaff decided to continue f the sinkin of the shaft for jaff the fy purpose aff of da ve loping f the veins at depth A cor tract was let on may 20 to the wade r williams engineering company of salt lake to iv equip sp the mine with a modern sya kw double aw Aass drum electric hoist ofaf w an electrically 2 driven compressor and a modern wavy gallows frame 2 70 and SZ buildings vw it was decided s that aa the w equipment should vy have asar a capacity sufficient ff jofay to handle adf tons rm a day from a depth of a thousand fuwa feet A hs h four s post gallows way akew frame was design ed and erected this w gallows tow frame 7 Is equipped with ibay an automatic way dump ing davice for handling 7 buckets when Is r in 7 progress the gallows frame Is forty six ff feet in jaff the clear and Is 07 set waff WV on concrete ff piers 1 and Is trussed 7 in order to obtain ff the baxt mum strength for u the minimum amount of material the double friction 7 drum steel frame electric hoist Is equipped with a speed motor the compressor Is the imperial type 10 two stage ingersoll rand ff driven with a 52 h p motor 7 using the lenox short belt drive with a piston displacement capacity of cu ft per minute owing to the scarcity of water at the time of or in w stal lation it was necessary to erect a cooling tower and provide cooling tanks A direct connected cen gal pump was used for the water w circulation A new departure was followed aw in the design of the hoisting house by the construction 5 of a abw dormer directly in front of A the fau hoisting zy compart wy ments and the placing of thirty two windows suy from 0 iwaye iw the sye dormer aw to the ground j the engineer has a clea 2 view of the adv bucket w aseff or cage a from aff the fis w moment it comes above the collar of the shaft until it reaches jaff the sheave wheel wv A vw dower saw was installed ff for ws the esy framing of timbers y the iffy automatic vw bucket aff dump was fi installed under 7 the supervision awake of the ww inventor dyff its operation Is simple kf e and yf positive handling a 15 eu ft bucket in the wv operation ff of this bucket dump jav the i hoisting j engineer at afy his a station f dumps the bucket of muck ishai is into yai the s bin ff without aa the aid aft iv of a top a ay iy man aff the aff operation requiring twenty seconds time a the shaft Is equipped with a sink 7 ing bulkhead supported by w two du plex one ton chain blocks J this bulk head allows the placing of shaft aff timbers while drilling is in progress as the tim bermen lay 4 their set upon w the bulkhead ay 2 and dyff sy then ff bring them into position by raising the bulkhead 7 with the chain blocks the ff safe y featured of the bulkhead tf taff are worthy ff of mention as it 2 gives absolute pro rief lection to the ohp miners at the affey bottom from rocks falling from the bucket aa when hoisting aay and from tools and other material that might af occasion ally be dropped joiy down the shaft f this type of bulkhead iea Is wy very rigid and bwy protects the w afy shaft timbers wv from joiy the effects of blasting faw against 37 them iffy salt lake mining review iw |