CONTENTS. XXvii 



MICROSCOPY. 



A. Instruments, Accessories, etc. 

 (1) Stands. 



PAGB 



John Cuthbert's Reflecting Microscope (1827-8); presented by the Committee of 



the Quehett Microscopical Club (Figa. 5f 6) 98 



Old Microscope by Andrew Pritchard {Fig. 7) 100 



Crouch's D. P. H. Microscope {Fig. S) 103 



Leiss, C. — Fuess^ New Petrographic Microscope for the Theodolite Method (Fig. 11) 198 



TcHiKiN, A. — Home-made Water Microscope (Fig. 12} 200 



Watsos's Philatelic Microscope (Figs. 38,39) 318 



John Cuthbert's Reflecting Microscope : Correction 320 



Old Microscope by Andrew Pritchard : Correction 320 



C. Baker's Greenough Binocular Microscope (Figs. 53. 54) 417 



New Model D.P.H. Microscope (Fig. 55) 417 



Zeiss Simpli fled Binocular Stand XB (Fig. 56) 419 



Reichert, C. — New Movable Mechanical Object-stage (FigB. 68, 69) 522 



Leitz, E. — New Fine-adjustment (Figs. 10, 71) .. 523 



„ Travelling Pocket Microscope (Fig. 72) 523 



^VfiYTi' 8 New''' Premier^' Microscope (Fig. 73) 524 



Benson, W. N. — Model for a Polarizing Microscope (Fig. 80) 616 



Spiegelhalter, E. K. — Gemmological Microscope and Dichroiscope (Fig. 81) .. 617 



Beck's Latest'' London '' Microscope (Fig. 82) 618 



Leitz — Microscope for Examination of Brain Sections (Fig. 83) 619 



Swift — Large Measuring and Screvj-testing Microscope (Figs. 84:, 85) 621 



Turneretscher, G. Marktanner — Museum Demonstration Microscope 624 



(2) Eye-pieces and Objectives. 



Carl Zeiss — New Achromatic Objectives 420 



Shijno, K. — Simple Demonstration Ocular 525 



Reichert, C. — New Comparison Eye-piece (FigB. 86, 87) 624 



Gordon, J. W. — Diffraction Micrometer Eye-piece ( Fig. 88) 626 



(3) Illuminating- and other Apparatus. 



IjiaiBS, C— Ultra-Violet Monochrometer (Figa. 9, \0) 103 



Bausch & Lome's Prq/ec</on ian^erwa (Figs. 13-18) 201 



Keuss' Apparatus for Optical Demonstrations 207 



Tsohachotin, S. — Apparatus for Micro-operations (Fig. 19) 207 



Leitz' Aplanatic and Achromatic Condenser : also its use as an Apertometer (Figa. 



40-45) 320 



Barus, C. — Simple Screw-micrometer 324 



Auxiliary Apparatus for facilitating Adjustment of the Microscope 324 



"Quekettbr" — Dark-ground Illumination 325 



Gage, S. H. — Recent Developments in Drawing by the aid of Projection Apparatus 



used on the House-lighting System {Figs. 57-59) 420 



