A Practical Treatise on the Use of the Microscope

achromatic adjustment adopted angle animals aperture apparatus appearance applied arrangement attached balsam bottom brass brought carrying cell cement centre colour compound body consists constructed containing cover described diameter direction disc dissection distance edge effected employed examined exhibit eye-piece field fitted fixed flat fluid focus given glass hole illuminating inch kinds laid lamp latter length lens lenses light lines magnifying power manner means measure method micrometer microscope milled head minute mirror mounted moved necessary object object-glass obtained opaque pass piece placed plate polarized portion position preparation present prism rays readily reflected removed represented by fig Ross scales screw seen separate shown side slide species specimens square stage stand structure supplied surface taken termed thick thin thin glass tube turned upper various whilst wood