INDEX. 
179 
Plates, “ Ordinary,” “ Orthochromatic,” 
etc. ... . 
Plates, “ backed" . 
Plates, appearances during development. 
Plates, Development of . 
Polarised light. 
Portrait plates. 
Powell & Lealand’s fine adjustment 
Powell and Lealand’s objectives . . 
“ Power”. 
Preparations, To make . 
Preparations of insects . 
Pressure gauges for cylinders 
Prices of various articles . 
Prints, Glazing. 
Prints, Mounting . 
Prints, Washing ... . 
Printing on gelatino-chloride paper 
“ Printing-out" processes . 
Projection oculars . 
Projection oculars . 
Rackwork of tube . 
Radiants Various . 
Ramsden glass ... . 
Rapidly changing objects . 
Reducer, The‘'Agfa'. 
Reduction of density of negative ... 
Reduction and intensification 
Regulators for gas cylinders. 
Reichert's objectives. 
Reflected light illumination. 
Reflectors . 
“ Residual spectrum” ... . 
“ Resolution" .. . 
Resolution and aperture . 
Rooms for work . 
Rubin and orange counter-stain ... 
*• Safety” of light, To test . 
Sandell plates. . 
Sandeb’s lantern-slide plates 
Schanze microtome . 
Screen, or light-filter. 
“ Screens” and colour-correct plates 
Sections, Thick and thin . 
Semi-apochromatics objectives 
Shutter for rapid work (author's) ... 
Sink, Earthenware, etc. 
“ Side reflector” . 
Slide-making for lantern . 
Slides ‘‘by contact”. 
Slides “ by reduction' . 
Slides on gelatino-bromide plates ... 
Smith, T.F., on objectives ... 
Solio” paper of ” Kodak, Ltd.” 
Solvents of paraffin . 
“ Spectrum” plates, Cadett’s 
Stage, The . 
Stage clips 
Stains, Eosin, violet ... 
Stains generally . 
Stands, Microscope . 
Stands, Various. 
Standard mounting of lantern slides 
Starches, Treatment of 
Stops, Opaque centre. 
Stove for paraffin . 
Substage condensers. 
Substitutes for ground-glass... 
Sub-stage, The . . 
Sunlight as radiant . 
Swift's stand . 
Swift's apparatus . 
Tap for dark room, “ Rose” ... 
Technique of preparation-making 
Test for objectives . 
Thoma microtome 
Toning gelatine prints 
Tremor of apparatus. 
Tremor of tube-end 
Tremor, Precautions against 
Tripod base . 
Tube-length discussed 
Tubercular tissue, staining ... 
Turntable, Usts of 
Van Heurck's vertical apparatus 
Varnish for lantern slides 
“ Velox,” gas-light printing ... 
Vertical apparatus 
Vertical apparatus (author’s)^ 
“ Vertical Illuminator,” Beck’s 
Violet stains . 
Washing prints. 
Water supply ._ 
Water-immersion objectives... 
Watfon’s Edinburgh stand ... 
Weak negatives. 
Weigert’s clearing solution for sectic 
Weigert’s method of staining 
Welsbach burner . 
“ Working distance ”. 
Yeast, Treatment of. 
Zeiss’ stand criticised. 
Zeiss oculars, •* compensating ” 
Zettnow’s screen solution 
