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OCR Rendition - approximate

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Vi

CONTENTS

CHAPTER III

 
 

PAGE

METHODS OF PRINTING .

30

Impression on polished glass or razor

30

The two contrasted methods of printing   .

31

General remarks on printing from reliefs-ink ; low

relief of ridges ; layer of ink ; drying due to oxidisation

32-34

Apparatus at my own laboratory-slab ; roller ; benzole

(or equivalent) ; funnel ; ink ; cards   .

35-38

Method of its manipulation   .

38-40

Pocket apparatus   .

40

Rollers and their manufacture

40

Other parts of the apparatus

41

Folders-long serviceable if air be excluded   .

42

Lithography .

43

Water colours and dyes   .

44

Sir W. Herschel's official instructions   .

45

Printing as from engraved plates Prof. Ray Lankester ;

Dr. L. Robinson

45

Methods of Dr. Forgeot   .

46

Smoke prints-mica ; adhesive paper, by licking with

tongue

47-48

Pl umbago ; whitening   .

49

Casts-sealing-wax ; dentist's wax ; gutta-percha ; un

 
 

dried varnish ; collodion

49-51

Photographs .   .

51

Prints on glass and mica for lantern

51

Enlargements-photographic, by camera lucida, pantagraph   .



CHAPTER IV

52-53

THE RIDGES AND THEIR USES   5 4

General character of the ridges   54


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