Page:The New International Encyclopædia 1st ed. v. 13.djvu/501

* MICROSCOPE 1. SIMPLE MICROSCOPE on stand for biological work 5. HUVGENIAN EYEPIECE 2. HIGH-POWER COMPOUND MICROSCOPE 6. RAMSDEN EYEPIECE 3. PETROGRAPHIC MICROSCOPE 7. STEINHEIL POSITIVE EYEPIECE tlon
 * ■ ABB6 SUB-STAGE CONDENSER: 4a and 4b, lenses In sec- 8. MICROTOME