196 



HASTINGS TRIPLET, 30 



High Power Objectives, 79 



Homogeneous Immersion Fluid, 78 



Homogeneous Immersion Objectives, 85, 86, 147 



ILLUMINATION, 154, 158, 161, 124 



Image, Magnified, 42 



Immersion Fluid, 77 



Immersion Objectives, 77, 147 



Index, 65 



Iris Diaphragm. , 70 



JENA GLASS, 74 



Joint for Inclination, 68, 177 



KELLNER EYEPIECE, 116 



LENS, ACHROMATIC, 26 



Lens, Bruecke, 31 



Lens, Coddington, 29 



Lens, Collective, 74 



Lens, Eye, 74 



Lens, Field, 74 



Lens, Hastings, 30, 38 



Lens Stands and Holders, 32 



Lens, Triplet, 30, 38 



Lenses, 15 



Lenses, Convex, 18, 19 



Lenses, Concave, ) 8, 19 



Lenses, Converging, 18 



Lenses, Diverging, 18 



Lenses, Meniscus, 18, 19 



Lenses, Optical Properties of, 15 



Lenses, Stopped Down, 24 



Light, Refraction of, 16, 17 



Linear Magnification, 39 



Linen Tester 33 



Long Tube Microscopes, 50 



Low Power Objectives, 79 



MAGNIFICATION, Linear, In Areas, In Diameters, 39 



