BAIRD &TMXOCK (LONDON) LTD. 



951-955 Stand GH. 

 (New School Microscope.) 



951 T Medium Sized Microscope GH (Leitz). Stand with joint admitting of the body being 

 tilted to 45, horseshoe foot and stem cast in one piece, coarse adjustment by rack 

 and pinion, fine adjustment by means of the new micrometer screw with lever trans- 

 mission. The draw-tube is graduated in millimetres. The condenser (c) has an iris dia- 

 phragm permanently attached to it and slips into a sleeve attached to the underside of the 

 stage. The condenser and cylinder diaphragm are interchangeable. A swing-out ring 

 attached to the face of the iris diaphragm fitting serves to hold a ground or coloured 

 glass-disc. Triple nosepiece ; objectives 3, 6, T V oil-immersion, N.A. 1.30; eyepieces 



I, III, IV ; magnifications 51 1050 . . . . . . . . . . each 



952 T Same stand with condenser ; triple nosepiece ; objectives 3, 6, 8 ; eyepieces II, IV ; 



magnifications 62 691 . . . . . . . . . . . . each 



953' Same Stand without condenser ; double nosepiece ; objectives 3, 7 ; eyepieces I, III ; 



magnifications 51 500 . . . . . . . . . . . . each 



954 T Same Stand without condenser and without nosepiece ; objectives i, 3, 7 ; eyepieces 



II, IV ; magnifications 19 625 . . . . . . . . . . . . each 



955 T Same Stand without condenser and without nosepiece ; objectives 3, 7 ; eyepieces II, 



IV ; magnifications 62 625 .. .. .. each 



13 



9 15 



650 



650 

 5 10 



CHEMICAL AND SCIENTIFIC APPARATUS AND PURE CHEMICALS. 



199 



