- Cutaway drawing of a double-acting hydraulic governor.
- DOUBLE-ACTING GOVERNOR WITH ELECTRIC HEAD.
- DOUBLE-ACTING GOVERNOR WITH ELECTRIC HEAD.
- DOUBLE-ACTING GOVERNOR WITH ELECTRIC HEAD.
- DOUBLE-ACTING GOVERNOR WITH ELECTRIC HEAD.
- DOUBLE-ACTING GOVERNOR WITH ELECTRIC HEAD.
- DOUBLE-ACTING GOVERNOR WITH ELECTRIC HEAD.
- DOUBLE-ACTING GOVERNOR WITH ELECTRIC HEAD.
- DOUBLE-ACTING GOVERNOR WITH ELECTRIC HEAD.
- DOUBLE-ACTING GOVERNOR WITH ELECTRIC HEAD.
- DOUBLE-ACTING GOVERNOR WITH ELECTRIC HEAD.
- DOUBLE-ACTING GOVERNOR WITH ELECTRIC HEAD.
- DOUBLE-ACTING GOVERNOR WITH ELECTRIC HEAD.
- DOUBLE-ACTING GOVERNOR WITH ELECTRIC HEAD.
- DOUBLE-ACTING GOVERNOR WITH ELECTRIC HEAD.