CALLIGRAPHIC EXERCISE

PATTERN TYPES

RECORD OF FACTS

DIAGRAMMATIC SUMMARIES OF INFORMATION

THEORETICAL DIAGRAMS

COPIES

FIRST THOUGHTS OR SKETCHES

DEVELOPMENTS OF PARTS OF A DESIGN

STUDIES 'AFTER NATURE'

DRAWN UP DESIGNS

THE CARTOON

LARGE SCALE DRAWING AS BASIS FOR FINAL WORK

UNDERDRAWING FOR SUBSEQUENT PAINTING

THE MODELLO

DRAWING AS AN ENHANCEMENT OF AN OBJECT

DRAWING FOR MECHANICAL REPRODUCTION

DRAWINGS IN THEIR OWN RIGHTS