31. The tunnellers experimented with a mechanical excavator operated by hydraulic rams , similar to those used for the London Underground. 32. CPT rigs advance specialized testing equipment ( such as electronic cones ), and soil samplers using large hydraulic rams . 33. Divers from the Grapple are installing four hydraulic rams on a galvanized framework erected last year on the Atlantic floor. 34. In 1796, French inventor Joseph Michel Montgolfier ( 1740 1810 ) built a hydraulic ram for his paper mill in Voiron. 35. On December 2016, Wild Oats XI has retired from the 72nd Sydney to Hobart yacht race, citing a broken hydraulic ram . 36. Carl Kaxton designed the hydraulic ram device, but Wilbur Day designed the hydraulic stilts and weaponry as part of his battlesuit. 37. The car used Hydrolastic suspension with self-levelling hydraulic rams at the rear and was praised for its excellent ride and handling. 38. Two 421 carriages, 120 feet long and weighing 90 tonnes, were delivered to Shepperton Studios and mounted on off-set hydraulic rams . 39. The system employs a series of hydraulic rams to hook, lift and hoist the container onto the chassis of the truck. 40. By 1899 the millpond had been drained and only a hydraulic ram is shown at the site of the old mill.
