Subject

• Sketches. 3
• Working drawings. 3
• Copies. Derivative objects. 2
• Elevations. Orthographic projections. 2
• Surveys. Documents. 2
• Design drawings. 1
• Maps. Cartographic materials. 1
• Marine charts. 1
• Photographs. 1
• Sectional elevations. 1
• Topographic surveys. 1