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Hawkins' Indicator Catechism. a Practical Treatise for the Use of Erecting and Operating Engineers, Superintendents, Students of Steam
Hawkins' Indicator Catechism a Practical Treatise for the Use of Erecting and Operating Engineers Superintendents Students of Steam Author:Hawkins Title: Hawkins' Indicator Catechism. a Practical Treatise for the Use of Erecting and Operating Engineers, Superintendents, Students of Steam Engineering, Etc Publisher: New York City, T. Audel