Substation Floor Residence Plan Small 320×246 Medium 640×492 Large 1024×787 Download Tiff Original 2400×1845 | (756.1 KB) Description A sub—station floor plan showing the engineering structure of a typical resident during 1911 illustrating conventional drafting measurement and symbols. Keywords 2 story house, abode, big house, floor plan, home, residence, residence sub-station floor plan, second floor plan, sub station floor plan, substation floor plan, two story home Galleries Building Plans Source: French, Thomas E A Manual of Engineering Drawing for Students and Draftsmen (New York, NY: McGraw-Hill, 1911)