Engraving and printing methods, advertisement illustration, technical- and trade-paper advertising, street-car advertising, outdoor advertising, house publications (1909)
Scranton : International Textbook Co. · leaf 308
Important FactsAbout BoilerScale A very important fact in regard toBoiler Scale is that it can be entirely re-moved from any boiler, whether watertube or return tubular, in less time andmore effectually by the use of the DeanBoiler Tube Cleaner than by any othermeans known to engineering science.… … The Dean will save yourcoal, time, money and power. The Dean will relieve youof worry and annoyance. The Dean can be used indifferent sizes of tubes. The Dean will pay for it-self in a short time. The Dean is now used inthe largest power plants inthe world. The Dean proves that allcompounds are…
