Show MINE AIR compressor I 1 the air compressor for mining service must combine great reliability along with economical and efficient operation to insure such qualifications simple rugged construction and automatic operation 17 are imperative for in the majority of cases the installation is remote from the source of supply and should breakdowns occur they must be quickly repairable at the mine ingersoll rand compressors combine in machines of sterling design ingersoll class claas ER single sta stage e 1 type built u ailt steam driven as well bulletins 0 and 31 all these essential qualifications sturdiness automatic lubrication enclosed encio sed di dirt rt proof yet jet simple and accessible construction and automatic 7 regulation capable of unusually economical and efficient service under every possible condition A few types are pictured here write for the bulletins they will help to solve your compressor problems CO imperial type duplex belt driven unit described 11 I 1 broadway so west temple st in bulletin also to be had steam driven new york salt lake city utah type bulletin 30 0 prospect r k irea k J F t with W th core C drill ri 11 S would you buy a property until you saw for yourself what was in it the OKELL DRILL makes a core that will show you without a question of doubt 0 MW mu 1 1 J no diamonds or shot used latest and S X most efficient type of drill ever eve r made for size of core made and advantageous yi 2 efficiency of the combined churn drilling and coring abilities of these machines it has no equal AV write tor for circulars pric prices es and particulars OKELL WELL NACHI 0 0 LOS angeles st ol 01 reading from left to right the cores are shown as follows 1 5 in dia 2 An 5 in dia N 3 porphyry 5 in dia 4 granite 5 in dla dia 5 dolomite 5 in dia 6 granite 5 in din dia T ft 7 hem hematite the of iron 4 in dia photo of samples of the cores this machine extracts in comparison to LOS ANGELES california the one in inch ch diamond drill cores in the foreground |