Ludy, Llewellyn V., 1875- [from old catalog], American Technical Society · Chicago, American technical society · leaf 107
without Lap. Fig. 3 shows a sectionthrough the steam and exhaust ports of an engine, together with aplain slide valve placed in mid-position* and so constructed that * A valve is in mid-position when the center line of the valve coincides with the cen-ter line of the exhaust port. VALVE GEARS in…
Indicators for steam-engines · Steam-engines
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
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