- muffle [retort] furnace
- • печь f муфельная
Metallurgy dictionary. 2015.
Metallurgy dictionary. 2015.
Muffle furnace — An Automatic Oil Muffle Furnace, circa 1910. Petroleum is contained in tank A, and is kept under pressure by pumping at intervals with the wooden handle, so that when the valve B is opened, the oil is vaporized by passing through a heating coil… … Wikipedia