CONTENTS. XXXV 



PAGE 



Zeiss' A* Objective (Fig. 119) 614 



„ Assorted Pairs of Objectives for Binocular Microscopes 614 



„ Orthomorphic Eye-piece .. 615 



Bebger's Stereoscopic Loups 698 



Zeiss' Improved Algascope 699 



(3) Illuminating- and other Apparatus. 



Seibeet's New Projection Microscope ivith Electric Light (Fig. 24) 103 



Meyer's New Microscope Lamp (Fig. 25) 104 



Seibeet's Large Polarising Apparatus (Figs. 26 and 27) 104 



Abbe Drawing Camera (Fig. 28) 105 



Ross' Lens for Dark- Ground Illumination 237 



Albrecht's Objective-Carriers (Figs. 44 and 45) 237 



Tammes, T— MicroscopisVs Electrical sLamp (Fig. 46) 239 



Leggett, F. W. — Glass-rod Substage (Fig. 47) 240 



Winkel's Drawing Apparatus for Weak Magnifications (Fig. 77) 361 



Moll's Apparatus for the Adjustment of a Projection Microscope (Figs. 78 and 79) 362 



Giltsch's Drawing Stand (Fig. 100) 48S 



Angus, H. F.—The Apertometer and its Use (Fig. 101) 488 



Erssee, T. T).— Acetylene Gas for the Lantern 490 



Zeiss' Centring Apparatus for Microscope Objectives when used as Condensers 



(Fig. 120) 615 



Cole, A. H. — Solar Projection Apparatus and its Adjustment 615 



Zeiss' Epidiascope (Figs. 130-132) 699 



Cole, A. H. — Projection Microscopes using Electric Arc or Oxyhydrogen Light 



(Fig. 133) 702 



Ives, F. E.— Method of Measuring Objects in the Microscope (Fig. 134) 704 



Reighard. J.— Form of Vertical Camera and its Uses (Figs. 135-139) 705 



1(4) Photomicrography. 



Merrett, W. H. — Report of a Demonstration of the Methods used in the Photo- 

 micrography of Iron and Steel (Figs. 1 and 2, and Plates I. and II.) . . . . 1 



Girdwood, G. P.— On Slereomicrography (Fig. 14) 12 



Selbert's Apparatus for Vertical Photomicrography (Fig. 29) 106 



Dennis, D. W. — Photomicrography ' 240 



Brasseur & Sampolo — A\Notable Advance in Colour Photography (Figs. 48-50) .. 241 



Dennis' High-power Photomicrography (Fig. 51) 242 



Richardson, F. L. — Colour Photomicrography (Figs. 52-54) .. .. 243 



Stringer's Focussing Attachments to Photomicrographic Cameras (Fig. 55) .. .. 246 

 Forgan, W. — Simple Means of Producing Microphotographs ivith an ordinary 



Camera 246 



Bibliography 247 



Richards & Archibald — Study of Growing Crystals by Instantaneous Photo- 

 micrography (Fig. 80) 364 



Duncan, F. M.—Stereo-Photomi orography (Figs. 81 and 82) 366 



Nelson, E. M. — Panoramic View Camera 367 



Foot, Katharine, & Ella C. Strobell — New Method of Focussing in Photo- 

 micrography 490 



Ives, F. E.— Photomicrographic Device (Fig. 102) 491 



Golden, Katherine E. — Photomicrography with Simple Apparatus (Fig. 103) .. 492 



Forgan, W. — Photomicrographs on Gelatino-bromide Films 493 



Ives, F. ~E.— Photograph of Pleurosigma angulatum (Plate XII.) 529 



Observing Prism for Photomicrography (Fig. 121) 616 



Duncan's Photomicrography 616 



Bibliography 709 



(5) Microscopical Optics and Manipulation. 



Nelson, E. M.— A Bibliography of Works (dated not later than 1700) dealing with 



the Microscope and other Optical Subjects 20 



„ New Methods in Microscope Work (Figs. 34 and 35) 142 



