Camera 81, 84 Cases for Stands 19 Cedar Oil 101 Clamps for Microtomes 94 fixed clamp 94 ball and socket clamp 94 Naples clamp 94 Compensation Eye-pieces 14 Compressors 49 Condenser 20 Corneal microscope 69 Counting chambers 71 Coverglass gauge 99 Cover-glasses 100 Cover-glasses thickness 8 Coverglass Tester 99 Cylinder Iris Diaphragm 20, 23 Cylinder Microtome 98 =D.= Demonstration Lens-holder 67 Demonstration Microscope 49 Demonstration Ocular 101 Dissecting Microscopes 62 Dissecting Microscope with erected image 64 Dissecting Stage 66 Dölken's Microscope Stand 52 Drawing Apparatus after Abbe 74 Drawing Apparatus after Tubeuf 77 Drawing Board 76 Drawing Eye-pieces 74 =E.= Edinger's Projection Apparatus 84 Engel's Alcalinity Apparatus 72 English screw 18 Erecting prism 102 Eye-pieces: Compensation Eye-piece 14 Demonstration Ocular 101 Huyghenian Eye-piece 11 Micrometer Eye-piece 73 Ehrlich's Eye-piece 72 Eye-piece with cross lines 59 Eye-piece Micrometer with squares 73 =F.= Freezing Apparatus 97 Focussing lens 67 =G.=