1891 Powers Vapor Thermostat Temperature Regulator Steam Furnace Print Ad‎

Size: 6.25" x 1.875" Appeared in 1891 edition of Scribner's Magazine Originality and condition: This is an original magazine advertisement – not a reproduction. It was carefully removed from an antique publication and may show slight age‑related toning. Please view all photos and enlarge them for inspection. Packaging and care: Your ad will be shipped flat, placed in a protective acid‑free sleeve with a sturdy backing and packed securely to prevent bending. This original vintage ad makes a unique historical collectible and is ideal for framing or display. Powers Vapor Thermostat a temperature regulator for any heating apparatus. This device automatically opens and closes dampers to maintain uniform temperature day and night. It adds 20 percent to the efficiency of hot water heaters and prevents boiling over, saving on fuel costs. Easily attached, it requires no electricity and has no complications. Ideal for ensuring consistent comfort in homes during colder months.