Show 7 L ELECTRIC DRILLS V with their many exclusive refinements refinement reflects more than thirty years experience in building buil din electric tools made in 11 i 5 16 s i T s and inch sires iz IF ELECTRIC GRINDERS 71 F bill ball bearing 40 derree degree C motor enclosed clo d posh button control automatic starter with overload protection made in sizes from U to 10 H P write for catalog C THE HISEY WOLF MACHINE CO electric drills grinders and buffers cincinnati ohio the galisher galigher company salt lake city the jenison machinery co san francisco portland machinery co portland smith booth usher co los angeles angel mine smelter supply co denver el paso pao A microscopic thin sections made from your materials 44 MRK I 1 bof at per slide I 1 1 we make slides of rocks mineral ores cements bricks 21 clays powders mineral crys tas drill hole cores and other rr WRITE substances of this nature I 1 jl to thickness from to 10 mm WESTERN F laboratory L east loth st los an angeles eles calif |