CONTENTS. XXXI 



MICROSCOPY. 

 A. Instruments. Accessories, &c. 

 (1) Stands. 



PAI1E 



Swift's Simple Dissecting Microscope (Fig. 1) 101 



„ Newly Designed Microscope for Bacteriological Research (Fig. 2) .. .. 101 



Newly Designed Histological and Physiological Microscope (Fig. 3) .. .. 103 



', Continental Stand (Fig. 4) 105 



Watson & Sons' " Works" Metallurgical Microscope (frig. 5) 105 



J. each's Oxy -hydrogen Lantern Microscope (Fig. 6) 107 



Watson's New "Argus " Substage (Fig. 7) 107 



., Compound Substage (Fig. S) 108 



Stokes, W. B. — Metallurgical Stage 108 



Kabop, G. C— Pocket-Magnifier (Fig. 9) 108 



Ross' Improved No. 2 " Standard " Microscope (Figs. 21-7) 236 



Watson and Sons' New "Argus" Microscope (Fig. 28) 238 



Bibliography 240 



Lucas, K. — On a Microscope with Geometric Slides (Figs. 49-53) 272 



Old Microscope by Bate (Fig. 55) 354 



Old Microscope by Plossl, of Vienna (Fig. 56) 355 



Baker's Diagnostic Microscope No. 1 (Fig. 57) .. 357 



Mineralogical Microscope (Fig. 58) 350 



Travelling Microscope (Figs. 59 and 50a) 350 



Leitz' New Binocular Loup (Fig. 60) 359 



Bibliography 360 



Gelblum, S.— Draw- Tube Stop ( Fig. 64) 457 



Beck's London Penological Microscope (Figs. 65-7) 457 



Zeiss' Rotary Projection Slide Carrier 430 



Bibliography 460 



Ortner's Entomological Microscope (Fig. 78) 575 



Hollick's Naturalist's Microscope (Fig. 79) 576 



Pfeiffer, A. — Notched Fine Adjustment for Optical Instruments (Fig. SO) .. .. 577 

 Pulfrich, C. — Application of the Stereo-Komparator to Monocular Use, and a 



Specially Designed Monocular Comparison Microscope (Fig. 81) 578 



Bibliography 578 



Howard, B. J.— Exhibition Microscope (Fig. 102) 698 



Societe Genevoise Second Large Model Microscope (Fig. 103) 600 



Culman's Monocular Image- Erecting Prism-Microscope (Fig. 104) 609 



Ortner's Pocket-Loup (Fig. 105) 701 



„ Loup-Stand (Fig. 106) „ 701 



(2) Eye-pieces and Objectives. 



Merlin, A. A. C. E. — Nelson's Formula Oculars 109 



'• H."— Lens Calculation .. 109 



Zeiss' Compound Lens with Iris Diaphragm (Fig. 68) 460 



Bibliography .. , 578 



(3)' Illuminating and.'other Apparatus. 



Dunning's New Portable Oil-tight Lamp (Figs. 10 and 11) 110 



Swift's Light Modifiers (Figs. 12 and 13) 110 



„ Double-Image Prism for Penological Microscopes (Fig. 14) Ill 



Nelson, E. M. — On the Vertical Illuminator 165 



Heele's Heliostats (Figs. 29-32) 24) 



Bibliography 242 



Wright, A. E. — On Certain New Methods of Measuring the Magnifying Power of 



the Microscope and of its Separate Elements (Fig. 54) 279 



Stringer, E. B. — On a Method of Obtaining Monochromatic Ultra-violet Light .. 392 



