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COMMISSION VI 
  
   
DOCUMENTATION OF LITERATURE 19 
  
  
2215 Half-tone processes and other dot methods 
adio Plate multiplication (Molding processes, etc.) 
o2 Proofing or proving 
3 Practical applications of letter press 
«21 Classified according to type of printing surface 
$22 Classified according to printing technique used 
34 Electrotype 
:222 Stereotype 
+33 Classified by material receiving printed image 
+331 Paper 
02322 Glass 
«3233 Rubber 
«234 Metal 
2345 Cloth and textiles 
761.5 Premises concerned with printing from letter press 
5 Apparatus concerned with printing from letter press 
+0 Materials concerned with letter press 
762 Lithography (printing from flat surfaces) 
od General principles and theory 
e Techniques and processes 
se]. Preparation of lithographic plates 
213. Stone plates 
212 Metal plates 
243 Plastic plates 
«017, Paper plates 
$215 Gelatin plates 
222 Preparation of the surface for receipt of image 
«221 Stone plates 
«222 Metal plates 
«225 Plastic plates 
«22H Paper plates 
«225 Gelatin plates 
«23 Preparation of the image on lithographic surfaces 
2233. Hand-drafted images 
4232 Photogrsphic processes 
ed. Line 
2 Half-tone 
«23 Color separation 
«233 Transfer processes 
4 Photolithographic transfer 
6 Photometalographic transfer 
A 3h Photo composing 
d Manual (Hand transfer process) 
oe Automatic plate duplication 
mn Proofing or proving