Illinois Society of Architects · Chicago · leaf 231
) - — 900 7 -6 - 500 oUU 5 — -700 4 - 400- _ -600 3 _ — 500 300- Chart Showing - _4Q0 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 straiglit edge with point 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.
