. Creamery butter making. Butter. CREAMERY BUTTER MAKING 179 THE STEAM ENGINE. The engine may be defined as a machine which con- verts heat into mechanical power. This heat is obtained. in the form of steam under pressure from the burning fuel in the boiler. A common form of creamery engine is illustrated in Fig. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Michels, John, 1875-. Lansing, Mich. , The author

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Keywords: ., bookcentury1900, bookdecade1900, booksubjectbutter, bookyear1904