Radford's cyclopedia of construction; carpentry, building and architecture. Based on the practical experience of a large staff of experts in actual constrcution work (1909)
Johnson, Alfred Sidney, 1860-, Radford, William A., 1865- · Chicago Radford Architectural Co · leaf 52
-indirect radiation used, add25 per cent to the amount to obtain the equiva-lent of direct radiation; and to the amount ofall indirect radiation used, add 50 per cent toobtain its equivalent in direct radiation. Thecharacter and purpose of ^direct-indirect andindirect radiation are explained later… … o J -^ ? <1 .2 ^ S «^ a Ph a ^ So GO ^ o a o -^ -Si ^ s 2 a 23 &< HEATING AND VENTILATION 33 Selection of a Boiler. The selection of theproper size and chaiacter of boiler for any in-stallation means much for the efficient and eco-nomical operation of the entiie job. The catalogue ratings…
Architecture · Building
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