Illinois Society of Architects · Chicago · leaf 331
Electric Pump AutomaticCellar Drainer … Automatic ElectricPump, Switch and Tank AutomaticSeepage Ejector 242 This is based on a temperature of 70° with the temperature outside atzero. In localities where the temperature falls below zero, add to the amount ofradiation obtained, 1% for every degree below zero. TABLE OF EQUIVALENT…
Architecture · Building · Architects
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.