Sweet’s indexed catalogue of building construction for the year 1906 (1906)
New York : Chicago : Architectural Record · leaf 604
generator is of the same innerconstruction as the Wilks Water Heater and is adapted for hard or softcoal or natural gas. In the heating of large buildings, churches, halls, etc.,we have found it a good arrangement to use two or more medium sizeHeaters yoked together, in place of one very large…
Building materials
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