Beck, Conrad, 1864- · London, R. & J. Beck, Ltd. · leaf 126
les the condenser to be thrown out ofthe optic axis in a manner similar to the polariser. The polariseris provided with spring clicks at positions of crossed prisms andlines at parallel positions. No. 3222 has an analyser in a push-out fitting above the object glass at the lower end of the… … Fig. 112.No. 3222, Petrologioal Microscope Nosepiece Analyser.No. 3223, Petrological Microscope Eyepiece Analyser. 123 124 THE MICROSCOPE No. 3223 has the analysing prism in a revolving fitting within theeyepiece. It is a form of the Abbe prism, devised by Mr. E. M.Nelson, which pushes in and out…
Microscopy
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.
![An illustration from Common objects of the microscope [electronic resource] (1900)](https://img.insideoutlibrary.com/img/200/ia-49492157.2969.emory.edu-34-17.webp)
