Subject

• Copies. Derivative objects. 4
• Elevations. Orthographic projections. 3
• Photographs. 3
• Plans (drawings). 3
• Sketches. 3
• Cross sections. 2
• Manuscript maps. Maps. 2
• Marine charts. 2
• Reports. 2
• Surveys. Documents. 2
• Topographic surveys. 2
• Working drawings. 2
• Carbon copies. Reprographic copies. 1
• Design drawings. 1
• Diagrams. 1
• Engravings. Prints. 1
• Longitudinal sections. 1
• Manuscripts. 1
• Measurements. 1
• Reductions. Copies 1
• Stats. Copies. 1