3) 
different methods and steps by which the several lines of work in 
graphic arts are accomplished. 
jhe first process for producine a number of eopies of the same 
picture was OY The Stencil, Used in tne 1404 end 1504 centuries, “te 
‘nex development was by relief printing from wooden and metal blocks 
in the 15th century. The progress of woodcutting is shown in the 
exhibits by relief prints from planks and blocks as well as Fone of 
the original blocks themselves. 
E 
Pollowing the wood cuts came engraving in intaelio, also in the 
loth eentury, and somewhat later ¢tehing in intasiio, end in the 
development ee these two methods there sprang up many special proc- 
“esses of smaller scope, most of which are represented by specimens 
in these exhibits. 
The collections are all located on the main floor of the Smith- 
-sonian puilding, ‘The main hell contains exhibits relating to the 
develooment of writing, drawing anc painting, together with the 
“necessary tools and materials: Various color processes Lor prancing 
Pecroductions of pi¢tures, Sook bindings, etc,, and printing in 
freised characters for the dDlind are @lso to be seon, 
The room to the west of the main hell contains a small histor- 
Bical exhibit of wood cuts, wood engravings, engravings and etchings, 
8 fer alcoves being devotee to the results attained in each of these 
Processes in the United States. In this room there are also shown 
Seme historical printing eresses, the latest addition being the 
Wells Press, made in 1819, which was the first printing press to use 
Pee torele joint instead of the old style screw. The earliest 
“extent Bruce type-casting machine is also on exhibition here, 
In the hall known es the Chapel, located at the extreme vest 
