Practical stationary engineering : in form of questions and answers (1909)
West, Andrew Cassius, 1855- · Boston, Mass. : A.C. West · leaf 214
Figure 61.The American Thompson Improved Indicator Complete with Fittings. … Figure 62. Figure 63. The American Thompson Improved Indicator with New ImprovedDetent Motion (Patented). 202 PRACTICAL STATIONARY ENGINEERING The above illustrations show a well-known AmericanThompson Improved Indicator fitted with a new improveddetent motion. This device possesses many valuable…
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