45, COBNHILL, E.G., AND 122, BEGfciNT STREET, W., LONDON. 265 



No. 921. 



21 Binocular Microscope, with Mechanical Stage, having rectangular motions, 

 sliding and rotating object holder, spring clamp slide, revolving 

 Diaphragm, Flat and Concave Mirrors arranged to give an oblique pencil of 

 light, Clamping Arm for fixing the instrument at any angle,. Coarse and Fine 

 Adjustments, two A and two B Eye-pieces, one C Eye-piece, Micrometer 

 Eye-piece, four best achromatic Objectives l^-inch, 1-inch, ^-inch, -inch. 

 Polarising Apparatus, Rotating Selenite, Spot Lens, Stand Condenser, 

 Stage Condenser, Side Reflector, Camera Lucida, Reversible Com- 

 pressorium, Frog Plate, two Live Cages, two Glass Stage Plates, Stage 

 Micrometer, Stage Forceps, Straight and Curved Hand Forceps, and 

 Dipping Tubes in Case, complete in Solid Mahogany Cabinet with 

 Plate Glass door, fig. 921 65 10 



