Illinois Society of Architects · Chicago · leaf 245
n,etc.) - -900 7 -6 - 500— — 800 5 -700 4 - 400- -600 3 _ —500 300- Chart Showing -400 Coal Consumed during Heating Season 200- - To use the chart, select point on left-hand vertical line indicating square feet of radiation and piping. Connect this point by means of straight edge with poin t on… … IMICO HOUSE HEATING BOILERS For Steam and Hot Water Low Ratings, Perfect Construction, Low FuelConsumption, Unexcelled Efficiency Illinois Malleable Iron Co. 1801-1825 Diversey Boulevard, Chicago
Architecture · Building · Architects
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
