Category:Gab valvegears
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English: Gab valve gears are Valvegears where a motion is discontinuously engaged or disengaged by a hooked clutch or "gab". These motions usually support forward, stopped and reverse motion but do not permit continuous adjustment of cutoff.
Media in category "Gab valvegears"
The following 8 files are in this category, out of 8 total.