xvi List of Illustrations 



FIG, PAGE 



32. Back Lens of Objective 97 



33. Stops for Condensers - 99 



34. Polarizer 102 



35. Analyzer - 102 



36. Barker's Selenites 103 



37. Mica-selenite Stage - 103 

 38 Stand Condenser - 104 



39. Vertical or Disc Illumiaator 106 



40. Microscope Lamp with Metal Chimney 108 



41. Electric Microscope Lamp - - - 109 



42. The Dustproof Nosepiece for Three Objectives 110 



43. Davis's Shutter 111 



44. Abbe Camera Lucida - 113 



45. Jackson's Micrometer iitted to Eyepiece 117 



46. Bamsden's Screw Micrometer - 117 



47. Botterill's Trough 118 



48. Eousselet's Live-cage - 119 



49. Rousselet's Compressorium 119 



50. Eye-shade for Monocular Microscope - 120 



51. A cheap Embedding Bath 138 



52. Cole's Pattern Microtome - 139 



53. Cathcart's Microtome - 140 



54. Eocking Microtome 144 



55. Sectional View. of Razors 226 



56. Sectional View of Strop 228 



57. Cheap Microtome by Schanze - 230 



58. R. and J. Beck's Delepine Microtome 233 



59. Thoma's Microtome by Jung - ■ - 234 



60. Diagrammatical View in Section of Thoma's Microtome 235 



61. Kleine's Automatic Microtome. An Example of Becker's 



Workmanship ... 238 



62. Reichert's Microtome - - 239 



63. Mindt-Zimmermann Microtome, without Knife or Object- 



holder - 240 



64. Reinhold-Giltay Microtome : Mechanical Part 242 



65. Model ' B ' Microtome by Schanze 243 



66. Model '.C ' Microtome by Schanze 244 



67. Henking's Microtome Knife - 249 



68. Jung's Microtome Knife, with its Screw Handle 250 



69. "Weikert's Microtome Knife, with Straight Handle - 250 



70. Thoma's Microtome Knife, with Curved Handle - 251 



71. Three Forms of Microtome Knives in Sectional View 251 



72. Infiltrating Oven, Open, showing Gas Regulator, Thermo- 



meter, etc. - - - . 259 



73. Paraffin Cooled Rapidly ( x 250 diameters) - 269 



74. Paraffin Cooled Slowly ( x 250 diameters) 269 



75. Paraffin Cooled Slowly ( x 75 diameters) 270 



76. Embedded Object fixed on Wooden Cube 270 



