416 / | HD | FLUID REACTION SURFACES (I.E., IMPELLERS) |
147 | DF | HAVING POSITIVE MEANS FOR IMPELLER ADJUSTMENT {6} |
155 | DF | .~ Motor bodily rotatable with impeller hub or shaft {1} |
156 | DF | .~.~ Fluid motor {2} |
157 R | DF | .~.~.~ Coaxial with impeller shaft {2} |
157 A | .~.~.~.~ Rotary fluid motor |