CONTENTS. 



Page 



Explanation of the Three Classes of Microscopes 4 



Prices of Achromatic Object-Glasses for the 1st and 2nd Class Micro- 

 scope Stands Nos. 1, 2, 3 & 4 5 



1st Class Microscope Stands 6 



1st Class Apparatus to ditto 7 



2nd Class Microscope Stands 8 



2nd Class Apparatus to ditto 9 



Microscope Tables 9 



Microscope Lamps 9 



3rd Class "Educational" Microscope , 10 



Microscopic Objects , 11 



Cabinets for Objects 11 



Instruments used in preparing Objects 12 



Materials used in mounting Objects 12 



Woodward's Table Polariscope and Microscope 13 



Books 13 



Telescopes 13 



Spectacles and Eye-glasses 14 



Stereoscopes 15 



Drawing Instruments 1 



Barometers, Thermometers, &c 15 



