Sweet’s indexed catalogue of building construction for the year 1906 (1906)
New York : Chicago : Architectural Record · leaf 671
Monarch Generators are shipped ready to attach to the pipe system. But two con-nections are necessary, one to the service pipe, and one to the air pipe leading outside.The generator should be placed in a cellar or basement, but any other convenient placewhere the water in the machine will not…
Building materials
Internet Archive · Public Domain Mark 1.0. Free to use for anything.