©
Paula Wirth: Lennox Aire-Flo Heating
©
Paula Wirth: Lennox Aire-Flo Heating
©
Paula Wirth: Lennox Aire-Flo Heating
©
Paula Wirth: Lennox Aire-Flo Heating
©
Paula Wirth: Step into a New Kind of Comfort
©
Paula Wirth: Allows ONE MAN to balance a heating system!
©
Paula Wirth: The Amazing Lima Wall Register
©
Paula Wirth: ads006
©
Paula Wirth: Why buy ordinary registers
©
Paula Wirth: Amazingly Efficient! Beautiful!
©
Paula Wirth: AND Competitively Priced!
©
Paula Wirth: So easy to sell!
©
Paula Wirth: Reply to request for literature, 1952
©
Paula Wirth: A New Kind of Heating