the.com/radiators
a metal box that convinces a room to stop hating you, one degree at a time.
means a heating device that warms a space by radiating and convecting heat from hot water or steam moving through it.
from invented by franz san galli, a russian-based engineer, around 1855 in st petersburg, where winter is basically a personality trait; the design spread through europe as centralized steam heat replaced fireplaces.
misnomer alertthey mostly heat by convection, barely radiation
bleeding valvereleases trapped air so hot water can circulate
car cousinengine radiators do the opposite job, dumping heat
cast iron eravictorian ones weighed as much as a person