10 hilariously insightful foreign words. A hydrostatic mower is a lawnmower that operates on a system of hydraulics rather than using belts and gears to run the machine. It is powered by a hydrostatic transmission, which is made up of a hydraulic pump and a hydraulic motor.
Historical Vignette 090 - The Corps Castle Can Be Found in Unusual Places. Strength, pride, heraldry, prestige, and honor. The castle remains the premier symbol of the U.S. Army Corps of Engineers. The medieval castle is inseparably connected with fortifications and architecture. In heraldry, the castle and the tower are often used on coats of arms.
The triple turreted castle has been in use by the Corps of Engineers since it was adopted in 1840. Prior to that time an insignia of a similar design was worn on the uniforms of the Corps of Cadets of the United States Military Academy since the Academy was under the supervision and direction of the Chief of Engineers.