A L U M N I N U M B C E L E B R A T I N G ... - Mines Magazine

MARCY Bail Mills, Rod Mills andTube Mills - Low discharge openend and enclosed types engineei-•d lor maximum output, low perton coal and long life with minimummaintentance.MASSCO Bock Bit Carriers - Stopbit losses; increase lootage byendingover and under use of bits.A piogress record for shift boss.MASSCO-ADAMS Density Controller- Automatically controlsboth percentage oi solids and sizeof finished product. Keeps grindingunit at optimum efficient capacity;gives visual notice of anychange in mil! feed. Eliminatesconstant checking of circuit andhand regulation of water. Thisniachine establishes proper relationbetween tonnage and metallurgy.Pays tor itself quickly.MASSCO-GBIGSBY Rubber Pinch Valve-Tor mora satisfactoryhandling of corrosive and abrasive pulps and solutions. Many sizesGreetings toMINESMenOn the occasion of this 30th Anniversaryof Mines Magazine "Mine andSmelter" wishes to express appreciationfor the cooperation of ColoradoSchool of Mines and Mines Alumnieverywhere.Both the school and its former studentshave, thru their helpful cooperationcontributed much to the developmentof Massco products. Mines andMines Men, we salute you!^ G e n u i n e W i l i l e y Tables, G o l dTraps, A m a l g a m a i o r s , C l e a n ­u p Barrels, B e l t Feeders, P l a ­cer M a c h i n e s , D r e d g e s ; A S S A YE Q U I P M E N T A N D S U P P L I E S ,M I N E A N D M I L L S U P P L I E S ,C O M P L E T E M I L L I N G P L A N T S .MASSCO Rock Bit Grinder-TheNo. 38 Super Model gives big operatorsmany speed and efficiencyteatures not to be had in any othergrinder. Other types to meet theneeds of plants of all sizes.ADAMS Reagent Feeder~A sellcontain ad portable unit withoutprime movers, speed reducers,belts, pulleys or connections. Adaptableto many types of reagentsused in ore mills and other metallurgicalplants. Provides a widerange of flow, from one drop in 63seconds on up. One simple micromatsradjustmanl screw. Setit up anywhere. Avoids deteriorationof reagent due to agitation.Improved 4x6 MASSCO LabCrusher - Weighs only 435 lbs. buthas ample strength for steady,heavy-duty laboratory crushing.If has no shims, set screws or toggleadjustments. Alt jaw andcheek plates are made ot mangan.ese steel. The jaw plates are reversible,top to bottom. V-beilmotor drive. This sturdy, compactand efficient laboratory crusher ispriced right.G r i g s b y P i n c h V a l v e s •The Grigsby Pinch Valves are rapidly being adopted as standardequipment for ore dressing, in cement plants, dred