mercury-vapour lamp in Finnish
mercury-vapour lamp in Finnish
elohopeahöyrylamppu
(British spelling) a gaseous discharge lamp in which the arc discharge takes place in mercury vapour; used for highway illumination and as an industrial source of ultraviolet radiation
elohopealamppu
(British spelling) a gaseous discharge lamp in which the arc discharge takes place in mercury vapour; used for highway illumination and as an industrial source of ultraviolet radiation