Tests for reprographic use; fundamental assembly of typographical characters for legibility tests and test chart for destination of resolving power— 5 стр.
Tests for reprographic use; microfilming of engineering drawings and other drawing office documents, proof shootings for the statement of microfilming conditions— 2 стр.
Plans for public utilities, water resources management and for long-distance pipelines; Maps and plans for water engineering, flood and coastal protection— 13 стр.
