efficiency even above the considerable increase ob- tion of temperature, is ready to receive the fuel at the Not until the last quarter of the downstroke does tained by high compression alone. The peculiar coni- proper period. The evacuated gases are not discharged the piston E' begin to drop. When… … cannulure at the lower end and a compressors, soon causes the pres- crimp at the upper. The balls are sure in the chamber E and the made of a mixture of lead and tin in the proportion of A has completed its downstroke, the auxiliary piston poppet-valve chamber to exceed that in- the main cylin- 16…
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