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NH 115547 Model F6 Cylinder sterling engine being tested

Model F6 Cylinder  sterling engine being tested
Title: Model F6 Cylinder sterling engine being tested
Caption: Inlet side model F6 cylinder sterling engine being tested on an angle of 45 degrees from the horizontal for war purposes. Only a motor with a carefully thought out hollow crankshaft force feed lubricating system is capable of standing this test. The motors on this elevation were required to turn their normal speed of 1400 R.P.M for hours in order to assured that they would meet various conditions. Sterling Engine Co., Buffalo, N. Y
Description:
Catalog #: NH 115547
Copyright Owner: Naval History and Heritage Command
Original Creator:
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Before this Year:
Original Medium: BW PHOTO
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