CONTENTS. 



PART I. 



MECHANICAL ARRANGEMENTS. 



Page 



HiSTOBV or THE MICROSCOPE " - 1 



Hooke's microscope - 4 



Leeuwenhoek's microscope 6 



Newton's microscope 7 



Bonnani's microscope - 8 



Grindelius' microscope - - - 9 



Stephen Gray's water microscope - ■ - ib. 



reflecting microscope 10 



Wilson's pocket microscope - 11 



opaque microscope - 12 



Marshall's compound microscope - 13 



Lieberkuhn's microscope - - 15 



microscope for injections - - 16 



anatomical microscope 18 



Culpeper's compound microscope - - 20 



Cuff's microscope - - 22 



George Adams' microscope - 23 



juir., microscope 24 



Withering's botanical microscope 25 



Jewel lenses - 26 



Invention of doublet - 28 



Herschel's doublet - 29 



WoUaston's doublet - 30 



HoHand's triplet ' - - 31 



History of compound achromatic microscope 32 



TuUey's microscope - 37 



Lister's discoveries 39 



Adjustment of achromatic object-glass - 41 



Improvers of achromatic microscope 44 



b* 



