INDEX. 
Abbe, Experiments oi, on glass 
Acetylene lamp. 
Acetylene generator of Tylar 
Acetylene gas . ••• 
Achromatics without oculars 
Achromatic objectives 
Achromatic condensers 
Acid-haematoxylin, Ehrlich ... 
Aim of the Book . 
Air-pump in paraffin process 
Amidol developer for bromide prints 
Ammonium persulphate reducer 
“ Angle” of objectives. 
Apparatus, Photo-micro 
Apparatus, Large, by Zeiss .. 
Apartments suitaole . 
“ Aperture” and power 
Aperture of condensers 
Arc lamp. 
Author’s large apparatus 
Author’s mixing jet . 
Backing to plates . 
Background, weak in negatives 
Backgrounds, Black. 
Bacteria stains. 
Baker’s Nelson stand ... 
Baker’s apparatus (author’s) 
Bases of stands compared ... 
Baths for orthochromatising .. 
Battery of lenses . 
Beard's regulator . 
Bellows of camera . 
Benzo-purpurin . 
Benzo-purpurin counter-stain 
Black grounds. 
“ Blow-through ” jets. 
Bousfield’s finder stage 
Bromide enlargements 
Bromide paper printing 
“ Bull's-eye," The . 
Bull’s eye, To focus . 
“ Bull’s-eye ” or paralleliser ... 
Burner, Acetylene 
Cadett plates . 
Cadett’s light filters . 
Cadett’s lantern-slide plates... 
Calculations for enlargement 
Camera d-scribed . 
Campbell differential screw ... 
Camphor added to paraffin ... 
“ Cantilever” enlarger of Hume 
Carpenter on “ penetration’ 
Cathcart microtome 
Cell to absorb heat 
Centring the system ... 
Central stop for condenser 
Chromatic condensers... 
Clearing sections 
“Clearing” lantern slides 
Clips on stage . 
Collar correction . 
Colour-correct plates . 
Colour-correct plates, Advantage of 
Colour treatment ... . 
Coloured objects, To treat . 
Colour filter, Zettnow’s . 
Condensers by Watson . 
Condenser, The. 
Condenser-stops . 
Condenser, Use of . 
Condenser, To centre the . 
Continental model stands . 
Copper, ammonio-sulphate screen ... 
Correction of objectives . 
Correction of lenses by collar 
Correction by tube-length . 
Correction by collar . 
Corrosive ublimate for tissues 
Cost of various articles . 
Counter stains ... 
“ Cut-off" for jets . 
Cyanin bath for reds. 
Cylinders, Gas. 
Darkroom ... . 
Dark-room light for plates ... 
Davenport's electric arc lamp 
Daylight, Diffused . 
“ Definition” of objectives . 
Dehydration of ti sues . 
“ Dekko,” gas-light printing 
Density and dispersion of glass 
Densitometer, Dawson's . 
Developer, Ferrous oxalate. 
Developers, Various actions .. 
Developer, pyrogallol 
Developer, hydrokinone or quinol... 
Developer, Metol . 
Developer, Imogen sulphite. 
Developers for lantern slides 
Development ... . 
Development, manipulations 
Development of bromide prints 
Diatoms, Treatment of 
Diffraction images . 
Dry objectives. 
Drying plates . 
Economy in gas . 
Edwards “ Iso" plates . 
Ehrlich’s hasmatoxylin stain 
Electric lamps. 
Emb-dding in paraffin 
Enamel bromide paper, ‘ Nikko ' ... 
Enlarging. 
Eosin stains . 
Erythrosin bath for plates . 
Even illumination with low powers 
Examples of low power . 
Examples of medium power 
Examples of high power . 
Exposure. 
