62 A dvertisements . 



. s. d. 

 Coddington's Spherical Lens, mounted in German silver, for 



the pocket, particularly adapted for viewing minerals, 



opaque and transparent objects from 076 



Ditto ditto, mounted in silver 16s and 110 



Flower Microscopes, in brass mountings, fig. 7 , from 3s 6d to 5 



Ditto ditto, in German silver 7s 6d to 10 6 



Gardener's Microscopes, in case 5 



Small Seed Microscopes, with glass body, in case 3s, 4s 6d, and 076 



Beetle Microscopes 



Botanic or Single Microscopes, in a variety of forms, with 

 pillar to screw into the top of the box, containingthe 



whole apparatus 1 Is 6d, 16s, 17s, and 110 



Ditto ditto, to attach to table 



Botanical Microscope, on frame, with three powers. . . .fig. 9 15 



Ditto ditto, plainer construction from 050 



Best Portable Botanical Microscope, with forceps, object, 



etc., packed in neat French-polished mahogany case .. 13 

 Ditto ditto, with additional powers and apparatus . . fig. 10110 

 Ditto ditto, with the additional powers and condensing 



lens attached by moveable arm, very superior 1 5 



Gould's Improved Compound Microscope, in case, with 



apparatus complete figs. 13 and 14 115 



Larger Improved Compound Microscope, containing, in 

 addition to the above, condenser and silver speculum 



for opaque objects 3 3 



Third size, ditto, with jointed pillar, condensing lens and 



silver speculum 5 5 



Improved Compound Microscope, large size, with rackwork 

 adjustment, mirrors, six powers, set of objects, forceps, 



aquatic trough, and insect boxes 3 3 



Small Pillar Microscopes, with doublet, etc. packed in case 



complete from 10 10 



Culpepper's Pyramidal Microscopes, in case, with apparatus 550 

 Willats's Improved Medical Achromatic Microscope, with 

 achromatic, box, brass forceps, etc., etc., magnifying 

 power 8000, packed in mahogany case or cabinet, fig. 15550 

 Ditto, with extra pillar and joint,brass forceps, aquatic box, 



