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diazotypes (copies)
prints produced using a duplicating process in which images are produced by the effect of light on diazonium-sensitized materials, most often architectural or other technical drawings
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Material Type
front views
refers to depictions with a point of view from in front of the subject, as contrasted to depictions taken from the side or back
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Material Type
plan views
refers to depictions or photographs showing structures or sites seen from directly above. For scaled orthographic drawings, use "plans (orthographic projections)." For views of objects seen from above, use "top views"
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Material Type
HVAC plans
scaled floor plans showing HVAC layout, which is the layout for heating, ventilation, and air conditioning. They may include small drawings of an adjacent elevation. For other drawings of HVAC systems, use "HVAC drawings"
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Material Type
plumbing plans
refers to scaled floor plans showing plumbing layout; may include an adjacent small drawing of an elevation, or a riser diagram. For other drawings of plumbing systems, use "plumbing drawings"
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Material Type