ARCO Steam Boiler - Historic Industrial Heating System with Radiator #2058671 (License: Personal Use)

This black-and-white technical illustration depicts an ARCO steam boiler manufactured by American & Ideal Radiators & Boilers, featuring a multi-chamber firebox, pressure gauge, safety valves, and a prominent front-loading ash door. To its right stands a tall, finned cast-iron radiator-the standard heat emitter of the era-designed to distribute steam-generated warmth efficiently. The image captures the robust engineering and utilitarian aesthetics of early central heating systems used in pre-1930s American homes and commercial buildings.

Used on heritage HVAC restoration websites, museum exhibits, architectural history pages, or vintage equipment catalogs; targets users researching antique heating systems, historic home renovation, or industrial design evolution.