My desk dictionary is a compact paperback model that lost the front cover many years ago. I use it a lot because I am a terrible speller. In grade school I was great at math, but lousy at spelling. It ...

When designing or replacing a low pressure steam boiler, throw out everything you know about hydronic boilers. A steam system is closer in operation to an air conditioning unit than it is to a ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This model was filed with the ...

A steam separator sometimes called a moisture separator or a steam drier, is a device used to separate the moisture from the steam in a watertube boiler steam drum. Without the steam separators, ‘wet’ ...

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San Francisco’s St. Luke’s Hospital complex comprises of four buildings, ranging from 25 to 90 years old. Heating the building required 26,000,000 Btuh, an expensive requirement that had been ...

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