Hoerbiger-Origa, Glendale Hts., Ill., has recently expanded its oscillating-valve product line to include an electrically actuated version. The new design combines advantages of standard solenoid ...

Note: We are reprinting this article by Uncle Frank from our April, 1937, issue due to the demand we have had for back issues of this particular copy. Extra copies of this reprint are available by ...

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Fig. 2 shows the ideal compression cycle of a reciprocating compressor. Deactivating a cylinder end reduces load in proportion to the number of cylinders in the compressor. If not properly controlled, ...

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