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JI CINTOSH BATTERY AND OPTI CAL CO., CHICAGO, ILL., U. S. A. Description of Working Parts of McIntosh Combination oTEREOPTICON. B ’ RO i| In 'f iich raises - lowere or turns t Sli the S Jet° d ’ moving limo t0 and fro Z, Screw Clamp, for delicate adjustment Cm microscope work, n misln K.or lowering the light. liu e i nig tbe U g ht horizontally Ox, Key [or ° r ^ Vap ° r ' N * i5 ub ? er P*P es carrying gases froi « o keys to mixing chamber O PinJo'i Ube ^clntosh-Ives Saturator ?■ t tnhp w^ C l ed ^ vi . th ° x ^ en reservoir ty 1 ^be which divides oxygen betwee m i>- tbe Curator and the Oxygen Kev 02 Pin? S? 8 ox yg el1 to thf Saturitoi t ri P earr y. ln g oxygen to the Lantern ’ tern Carryln8: Ether Vapor to the Lan R Fr a nnt er ^r B f e ? f Spanned Iron, it, -bront of Lantern Frame in which is E E } Condensers. be Canylng the Ienses ' S ’ S ' passes r ° USh WhiCh the slide carrier A ’ A ’ “Lens Tube “ Ube ° r Cel1 ' called the F ’ CIa n'? P i„ S „ Upp0rti !, ls A ’ t0 prevent jarring qP images. apd consequent distortion T ' Dr ^rm ' be ,j!° ld; ng the Stereopticon Lens m nJii the M\ er oscope Attachment. i, -Dack^cmnbination of Stereopticon Ob- N ’ F 7e n ctive mbinati ° n ° f ® tere °pticon Ob- 'S Katina-tipped Goose Neck. -X, Mixing Chamber. L, Lime Cylinders. best mechanical j5T direCti ° n ° f the *“«*■ This apparatus is provided with on directions for operating the McINTOSH-IVES ETHER LIGHT. To Fill the Saturator.— The ninnies V jz , , . small metal caps (not shown in cut), when sent out’ ar ® closed ^ lth wh “ *•«> cylinders KfetrTl™