lU 



INDEX 



Pipettes, 59, 66 



Plates, cvilture, 62 



Podura scale, 31 



Pointolite lamp, 46 



Polarising apparatus, 72 



Polishing machine, 64 



Portable microscope, 100 



Power, magnifying, 13, 16 



Preparing metallurgical specimens, 63 



Prism illuminator, 41 



Protozoa, 126 



Quality of substage condenser, 26 



Ramsden circle, 13 

 Recreation, microscope as a, 125 

 Reflection from objects on dark ground, 



37 

 Reflector, Sorby's, 40 



,, thin glass, 40 



Requirements of microscope stand, 92 

 Resolution, 15, 31, 37, 86 



,, binocular, 110 



Rotating stage, 52 



Rowley metallurgical attachment, 118 

 Rulings for blood counts, 60 



Scatteredlight, 24, 31 



Screens, colour, 42, 81 



Screw, object glass, 82 



Seeds and pollen, 134 



Selection of object glasses and ^eye- 

 pieces, 90 



Shape of limb, 94 



Size of mirror, 95 



Sliding ledge, 51 



Slip, glass, 52 

 ,, with ledge, 54 



Sloan object glass changer, 20 



Specimens, how to hold, 50 

 living, 55 

 ,, mounting, 58 



Spirit lamp, 48 



Sponge, 132 



Spores of fern, 134 



Squares ruled on glass plate, 67 



Stage clips, 50 

 ,, forceps, 57 



Stage, mechanical, 51 



,, rotating, 52 

 ,, warm, 62 

 Stand of microscope, 9, 92 

 Standard London microscope, 95 



„ object glasses, 77 



„ of magnification, 13 



,, screw, 82 



„ thicknessof cover glass, 53, 79 



„ tube length, 15 



Stentor, 130 

 Stereoscopic vision, 113 

 Structure revealed by dark ground, 37 

 Substage, 8 



„ condenser, 24, 25, 26 



Table, drawing, 66 



,, of drawtube corrections, 80 



,, ,, field of view, 77 



,, ,, object glasses, 70 

 Thickness of cover glass, 53 



„ „ slip, 52 



Traviss patch-stop, 33 

 Troughs, 56 

 Trypanosome, 128 

 Tube length, 16,79,93 

 Tubercle bacillus, 31 

 Tiu-ntable, 58 



Use of dark-ground illuminator, 34 

 „ „ substage condenser, 28 



Varying magnifying power, 15 

 Vernier, 72 



Vertical camera lucida, 69 

 ,, illuminator, 40 

 ,, photomicrographic camera, 



74 

 ,, position of microscope, 50 

 View, field of, 14 

 Villous amoeba, 126 

 Virtual image, 13 

 Vision of natural objects, 22 

 Vorticella, 129 



Warm stage, 62 



Wedge, light moderator, 32 



Working distance, 12 



Printed by Hazell, Watson & Viney, Ld., London and Aylesbury 



