A 200-horsepower "Type B" internal furnace boiler built in 1904 by the Continental Iron Works of Greenpoint, New York, for the Roosevelt Estate Building.
Continental Iron Works
1912
<i>Morison Suspension Furnaces</i>. (1912). New York: Continental Iron Works. p. <a rel="nofollow" class="external text" href="https://archive.org/details/MorisonSuspensionFurnacesFurnaceFrontsAndDoorsForInternalFurnace/page/n91/mode/1up">45</a>.