170. =Case=, containing a razor, spatula, two small knives, straight and curved scissors, forceps, two needles, two lancet-shaped needles =5.50= 171. =Case=, containing a razor, spatula, a small knife, two needles, small scissors, and forceps =4.--= 172. =Case=, containing a small knife, small scissors, forceps and two needles =2.50= 173. =Botanical Outfit= in case, containing a small knife, forceps, self-closing forceps with horn handle, two scissors, two needles and two lenses =5.50= 174. =Outfit for Sputum Examinations=, after Kaatzer, consisting of a platinum needle, blower, cover-glass forceps, and a small rubber plate =4.75= 175. =Leather Microscope case= to protect the mahogany case when travelling =8.--= 176. =Leather case= to protect the mahogany cases of larger size instruments =12.--= 177. =Bell jar= for covering microscope =2.--= Any of the following publications will be sent on application: 1. Catalogue of microscopes etc., which has been issued in three editions, viz. in a) English, b) German and c) French. 2. Anleitung zum Gebrauch des Microscops. 3. Instructions pour l'emploi des microscopes. 4. Directions for using the Microscope. 5. On the method of counting red and white corpuscles with Thoma's Apparatus. 6. Instructions pour l'emploi de l'hématimètre de Thoma. 7. Anleitung zur Mikrophotographie, mit vier Mikrophotogrammen. 8. Anleitung zum Gebrauch des Mikrospectroskops. 9. Anleitung zum Gebrauch des Oculars nach Ehrlich. 10. Description de l'oculaire d'Ehrlich. 11. Direction for using Ehrlich's eye-piece. 12. Anleitung zum Gebrauch des grossen Projectionsapparates. 13. Anleitung zum Gebrauch des Saccharimeters. [Illustration] =Index.= Page =A.= Achromatic Objectives 12 Adjusting screw 49 Adjustment, coarse, fine 17, 18 Apertures 10 Aplanatic Lenses 67 Apochromatic Lenses 14 Apparatus for Blood Examinations 70 =B.= Binocular Preparation Microscope 68 Binocular Microscope after Greenough 69 Bell jar 103 =C.=