Section V3 entries
Signatures N · O · P
Setting the type.
Composition
Setting the type is where the page is actually decided: the measure, the word spacing, and what a correction costs. These entries run from letters picked out of a case to lines cast in lead alloy.

Entries in Composition
Filed by fold
- Hand setting
Type from the case into a stick, justified by hand with spaces, locked into a forme.
Signature N
Composition - Hot metal
Linotype casts a line at a time and changes what a correction costs.
Signature O
Composition - The Penguin Composition Rules
Jan Tschichold imposed a single typographic standard on an entire list in 1947.
Signature P
Composition