The Architect & engineer of California and the Pacific Coast (1905)
San Francisco, Calif. : Architect and Engineer Co · leaf 21
tK Union Nut Connections on eacHcoil. This is tHe only double coil TanKHeater on tHe marKet -witK independentconnections, the use of -which permits theremoval of either coil -without interferring■\vilh the other coil. This Heater is considered the most effi-cient TanK Heater on the MarKet. Give ita… … The Hoffman Heater Company. Fuctc id G. irrol Oflice- Lorain, OHio, U. S. A. Tlic Arcliitcct and Eii^^iiuw 1)
Architecture · Building
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![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer04inte-458-228.webp)
